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• Fetal presentation before birth

The way a baby is positioned in the uterus just before birth can have a big effect on labor and delivery. This positioning is called fetal presentation.

Babies twist, stretch and tumble quite a bit during pregnancy. Before labor starts, however, they usually come to rest in a way that allows them to be delivered through the birth canal headfirst. This position is called cephalic presentation. But there are other ways a baby may settle just before labor begins.

Following are some of the possible ways a baby may be positioned at the end of pregnancy.

Head down, face down

When a baby is head down, face down, the medical term for it is the cephalic occiput anterior position. This the most common position for a baby to be born in. With the face down and turned slightly to the side, the smallest part of the baby's head leads the way through the birth canal. It is the easiest way for a baby to be born.

Head down, face up

When a baby is head down, face up, the medical term for it is the cephalic occiput posterior position. In this position, it might be harder for a baby's head to go under the pubic bone during delivery. That can make labor take longer.

Most babies who begin labor in this position eventually turn to be face down. If that doesn't happen, and the second stage of labor is taking a long time, a member of the health care team may reach through the vagina to help the baby turn. This is called manual rotation.

In some cases, a baby can be born in the head-down, face-up position. Use of forceps or a vacuum device to help with delivery is more common when a baby is in this position than in the head-down, face-down position. In some cases, a C-section delivery may be needed.

Frank breech

When a baby's feet or buttocks are in place to come out first during birth, it's called a breech presentation. This happens in about 3% to 4% of babies close to the time of birth. The baby shown below is in a frank breech presentation. That's when the knees aren't bent, and the feet are close to the baby's head. This is the most common type of breech presentation.

If you are more than 36 weeks into your pregnancy and your baby is in a frank breech presentation, your health care professional may try to move the baby into a head-down position. This is done using a procedure called external cephalic version. It involves one or two members of the health care team putting pressure on your belly with their hands to get the baby to roll into a head-down position.

If the procedure isn't successful, or if the baby moves back into a breech position, talk with a member of your health care team about the choices you have for delivery. Most babies in a frank breech position are born by planned C-section.

Complete and incomplete breech

A complete breech presentation, as shown below, is when the baby has both knees bent and both legs pulled close to the body. In an incomplete breech, one or both of the legs are not pulled close to the body, and one or both of the feet or knees are below the baby's buttocks. If a baby is in either of these positions, you might feel kicking in the lower part of your belly.

If you are more than 36 weeks into your pregnancy and your baby is in a complete or incomplete breech presentation, your health care professional may try to move the baby into a head-down position. This is done using a procedure called external cephalic version. It involves one or two members of the health care team putting pressure on your belly with their hands to get the baby to roll into a head-down position.

If the procedure isn't successful, or if the baby moves back into a breech position, talk with a member of your health care team about the choices you have for delivery. Many babies in a complete or incomplete breech position are born by planned C-section.

When a baby is sideways — lying horizontal across the uterus, rather than vertical — it's called a transverse lie. In this position, the baby's back might be:

• Down, with the back facing the birth canal.
• Sideways, with one shoulder pointing toward the birth canal.
• Up, with the hands and feet facing the birth canal.

Although many babies are sideways early in pregnancy, few stay this way when labor begins.

If your baby is in a transverse lie during week 37 of your pregnancy, your health care professional may try to move the baby into a head-down position. This is done using a procedure called external cephalic version. External cephalic version involves one or two members of your health care team putting pressure on your belly with their hands to get the baby to roll into a head-down position.

If the procedure isn't successful, or if the baby moves back into a transverse lie, talk with a member of your health care team about the choices you have for delivery. Many babies who are in a transverse lie are born by C-section.

If you're pregnant with twins and only the twin that's lower in the uterus is head down, as shown below, your health care provider may first deliver that baby vaginally.

Then, in some cases, your health care team may suggest delivering the second twin in the breech position. Or they may try to move the second twin into a head-down position. This is done using a procedure called external cephalic version. External cephalic version involves one or two members of the health care team putting pressure on your belly with their hands to get the baby to roll into a head-down position.

Your health care team may suggest delivery by C-section for the second twin if:

• An attempt to deliver the baby in the breech position is not successful.
• You do not want to try to have the baby delivered vaginally in the breech position.
• An attempt to move the baby into a head-down position is not successful.
• You do not want to try to move the baby to a head-down position.

In some cases, your health care team may advise that you have both twins delivered by C-section. That might happen if the lower twin is not head down, the second twin has low or high birth weight as compared to the first twin, or if preterm labor starts.

• Landon MB, et al., eds. Normal labor and delivery. In: Gabbe's Obstetrics: Normal and Problem Pregnancies. 8th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed May 19, 2023.
• Holcroft Argani C, et al. Occiput posterior position. https://www.updtodate.com/contents/search. Accessed May 19, 2023.
• Frequently asked questions: If your baby is breech. American College of Obstetricians and Gynecologists https://www.acog.org/womens-health/faqs/if-your-baby-is-breech. Accessed May 22, 2023.
• Hofmeyr GJ. Overview of breech presentation. https://www.updtodate.com/contents/search. Accessed May 22, 2023.
• Strauss RA, et al. Transverse fetal lie. https://www.updtodate.com/contents/search. Accessed May 22, 2023.
• Chasen ST, et al. Twin pregnancy: Labor and delivery. https://www.updtodate.com/contents/search. Accessed May 22, 2023.
• Cohen R, et al. Is vaginal delivery of a breech second twin safe? A comparison between delivery of vertex and non-vertex second twins. The Journal of Maternal-Fetal & Neonatal Medicine. 2021; doi:10.1080/14767058.2021.2005569.
• Marnach ML (expert opinion). Mayo Clinic. May 31, 2023.

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Breech, posterior, transverse lie: What position is my baby in?

Fetal presentation, or how your baby is situated in your womb at birth, is determined by the body part that's positioned to come out first, and it can affect the way you deliver. At the time of delivery, 97 percent of babies are head-down (cephalic presentation). But there are several other possibilities, including feet or bottom first (breech) as well as sideways (transverse lie) and diagonal (oblique lie).

Fetal presentation and position

During the last trimester of your pregnancy, your provider will check your baby's presentation by feeling your belly to locate the head, bottom, and back. If it's unclear, your provider may do an ultrasound or an internal exam to feel what part of the baby is in your pelvis.

Fetal position refers to whether the baby is facing your spine (anterior position) or facing your belly (posterior position). Fetal position can change often: Your baby may be face up at the beginning of labor and face down at delivery.

Here are the many possibilities for fetal presentation and position in the womb.

Medical illustrations by Jonathan Dimes

Head down, facing down (anterior position)

A baby who is head down and facing your spine is in the anterior position. This is the most common fetal presentation and the easiest position for a vaginal delivery.

This position is also known as "occiput anterior" because the back of your baby's skull (occipital bone) is in the front (anterior) of your pelvis.

Head down, facing up (posterior position)

In the posterior position , your baby is head down and facing your belly. You may also hear it called "sunny-side up" because babies who stay in this position are born facing up. But many babies who are facing up during labor rotate to the easier face down (anterior) position before birth.

Posterior position is formally known as "occiput posterior" because the back of your baby's skull (occipital bone) is in the back (posterior) of your pelvis.

Frank breech

In the frank breech presentation, both the baby's legs are extended so that the feet are up near the face. This is the most common type of breech presentation. Breech babies are difficult to deliver vaginally, so most arrive by c-section .

Some providers will attempt to turn your baby manually to the head down position by applying pressure to your belly. This is called an external cephalic version , and it has a 58 percent success rate for turning breech babies. For more information, see our article on breech birth .

Complete breech

A complete breech is when your baby is bottom down with hips and knees bent in a tuck or cross-legged position. If your baby is in a complete breech, you may feel kicking in your lower abdomen.

Incomplete breech

In an incomplete breech, one of the baby's knees is bent so that the foot is tucked next to the bottom with the other leg extended, positioning that foot closer to the face.

Single footling breech

In the single footling breech presentation, one of the baby's feet is pointed toward your cervix.

Double footling breech

In the double footling breech presentation, both of the baby's feet are pointed toward your cervix.

Transverse lie

In a transverse lie, the baby is lying horizontally in your uterus and may be facing up toward your head or down toward your feet. Babies settle this way less than 1 percent of the time, but it happens more commonly if you're carrying multiples or deliver before your due date.

If your baby stays in a transverse lie until the end of your pregnancy, it can be dangerous for delivery. Your provider will likely schedule a c-section or attempt an external cephalic version , which is highly successful for turning babies in this position.

Oblique lie

In rare cases, your baby may lie diagonally in your uterus, with his rump facing the side of your body at an angle.

Like the transverse lie, this position is more common earlier in pregnancy, and it's likely your provider will intervene if your baby is still in the oblique lie at the end of your third trimester.

Was this article helpful?

What to know if your baby is breech

What's a sunny-side up baby?

What happens to your baby right after birth

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BabyCenter's editorial team is committed to providing the most helpful and trustworthy pregnancy and parenting information in the world. When creating and updating content, we rely on credible sources: respected health organizations, professional groups of doctors and other experts, and published studies in peer-reviewed journals. We believe you should always know the source of the information you're seeing. Learn more about our editorial and medical review policies .

Ahmad A et al. 2014. Association of fetal position at onset of labor and mode of delivery: A prospective cohort study. Ultrasound in obstetrics & gynecology 43(2):176-182. https://www.ncbi.nlm.nih.gov/pubmed/23929533 Opens a new window [Accessed September 2021]

Gray CJ and Shanahan MM. 2019. Breech presentation. StatPearls.  https://www.ncbi.nlm.nih.gov/books/NBK448063/ Opens a new window [Accessed September 2021]

Hankins GD. 1990. Transverse lie. American Journal of Perinatology 7(1):66-70.  https://www.ncbi.nlm.nih.gov/pubmed/2131781 Opens a new window [Accessed September 2021]

Medline Plus. 2020. Your baby in the birth canal. U.S. National Library of Medicine. https://medlineplus.gov/ency/article/002060.htm Opens a new window [Accessed September 2021]

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StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-.

StatPearls [Internet].

Delivery, face and brow presentation.

Julija Makajeva ; Mohsina Ashraf .

Affiliations

Last Update: January 9, 2023 .

• Continuing Education Activity

Face and brow presentation is a malpresentation during labor when the presenting part is either the face or, in the case of brow presentation, it is the area between the orbital ridge and the anterior fontanelle. This activity reviews the evaluation and management of these two presentations and explains the role of the interprofessional team in managing delivery safely for both the mother and the baby.

• Describe the mechanism of labor in the face and brow presentation.
• Summarize potential maternal and fetal complications during the face and brow presentations.
• Review different management approaches for the face and brow presentation.
• Outline some interprofessional strategies that will improve patient outcomes in delivery cases with face and brow presentation issues.
• Introduction

The term presentation describes the leading part of the fetus or the anatomical structure closest to the maternal pelvic inlet during labor. The presentation can roughly be divided into the following classifications: cephalic, breech, shoulder, and compound. Cephalic presentation is the most common and can be further subclassified as vertex, sinciput, brow, face, and chin. The most common presentation in term labor is the vertex, where the fetal neck is flexed to the chin, minimizing the head circumference.

Face presentation – an abnormal form of cephalic presentation where the presenting part is mentum. This typically occurs because of hyperextension of the neck and the occiput touching the fetal back. Incidence of face presentation is rare, accounting for approximately 1 in 600 of all presentations. [1] [2] [3]

In brow presentation, the neck is not extended as much as in face presentation, and the leading part is the area between the anterior fontanelle and the orbital ridges. Brow presentation is considered the rarest of all malpresentation with a prevalence of 1 in 500 to 1 in 4000 deliveries. [3]

Both face and brow presentations occur due to extension of the fetal neck instead of flexion; therefore, conditions that would lead to hyperextension or prevent flexion of the fetal neck can all contribute to face or brow presentation. These risk factors may be related to either the mother or the fetus. Maternal risk factors are preterm delivery, contracted maternal pelvis, platypelloid pelvis, multiparity, previous cesarean section, black race. Fetal risk factors include anencephaly, multiple loops of cord around the neck, masses of the neck, macrosomia, polyhydramnios. [2] [4] [5]

These malpresentations are usually diagnosed during the second stage of labor when performing a digital examination. It is possible to palpate orbital ridges, nose, malar eminences, mentum, mouth, gums, and chin in face presentation. Based on the position of the chin, face presentation can be further divided into mentum anterior, posterior, or transverse. In brow presentation, anterior fontanelle and face can be palpated except for the mouth and the chin. Brow presentation can then be further described based on the position of the anterior fontanelle as frontal anterior, posterior, or transverse.

Diagnosing the exact presentation can be challenging, and face presentation may be misdiagnosed as frank breech. To avoid any confusion, a bedside ultrasound scan can be performed. [6]  The ultrasound imaging can show a reduced angle between the occiput and the spine or, the chin is separated from the chest. However, ultrasound does not provide much predicting value in the outcome of the labor. [7]

• Anatomy and Physiology

Before discussing the mechanism of labor in the face or brow presentation, it is crucial to highlight some anatomical landmarks and their measurements. 

Planes and Diameters of the Pelvis

The three most important planes in the female pelvis are the pelvic inlet, mid pelvis, and pelvic outlet. 

Four diameters can describe the pelvic inlet: anteroposterior, transverse, and two obliques. Furthermore, based on the different landmarks on the pelvic inlet, there are three different anteroposterior diameters, named conjugates: true conjugate, obstetrical conjugate, and diagonal conjugate. Only the latter can be measured directly during the obstetric examination. The shortest of these three diameters is obstetrical conjugate, which measures approximately 10.5 cm and is a distance between the sacral promontory and 1 cm below the upper border of the symphysis pubis. This measurement is clinically significant as the fetal head must pass through this diameter during the engagement phase. The transverse diameter measures about 13.5cm and is the widest distance between the innominate line on both sides. 

The shortest distance in the mid pelvis is the interspinous diameter and usually is only about 10 cm. 

Fetal Skull Diameters

There are six distinguished longitudinal fetal skull diameters:

• Suboccipito-bregmatic: from the center of anterior fontanelle (bregma) to the occipital protuberance, measuring 9.5 cm. This is the presenting diameter in vertex presentation. 
• Suboccipito-frontal: from the anterior part of bregma to the occipital protuberance, measuring 10 cm 
• Occipito-frontal: from the root of the nose to the most prominent part of the occiput, measuring 11.5cm
• Submento-bregmatic: from the center of the bregma to the angle of the mandible, measuring 9.5 cm. This is the presenting diameter in face presentation where the neck is hyperextended. 
• Submento-vertical: from the midpoint between fontanelles and the angle of the mandible, measuring 11.5cm 
• Occipito-mental: from the midpoint between fontanelles and the tip of the chin, measuring 13.5 cm. It is the presenting diameter in brow presentation. 

Cardinal Movements of Normal Labor

• Neck flexion
• Internal rotation
• Extension (delivers head)
• External rotation (Restitution)
• Expulsion (delivery of anterior and posterior shoulders)

Some of the key movements are not possible in the face or brow presentations.  

Based on the information provided above, it is obvious that labor will be arrested in brow presentation unless it spontaneously changes to face or vertex, as the occipito-mental diameter of the fetal head is significantly wider than the smallest diameter of the female pelvis. Face presentation can, however, be delivered vaginally, and further mechanisms of face delivery will be explained in later sections.

• Indications

As mentioned previously, spontaneous vaginal delivery can be successful in face presentation. However, the main indication for vaginal delivery in such circumstances would be a maternal choice. It is crucial to have a thorough conversation with a mother, explaining the risks and benefits of vaginal delivery with face presentation and a cesarean section. Informed consent and creating a rapport with the mother is an essential aspect of safe and successful labor.

• Contraindications

Vaginal delivery of face presentation is contraindicated if the mentum is lying posteriorly or is in a transverse position. In such a scenario, the fetal brow is pressing against the maternal symphysis pubis, and the short fetal neck, which is already maximally extended, cannot span the surface of the maternal sacrum. In this position, the diameter of the head is larger than the maternal pelvis, and it cannot descend through the birth canal. Therefore the cesarean section is recommended as the safest mode of delivery for mentum posterior face presentations. 

Attempts to manually convert face presentation to vertex, manual or forceps rotation of the persistent posterior chin to anterior are contraindicated as they can be dangerous.

Persistent brow presentation itself is a contraindication for vaginal delivery unless the fetus is significantly small or the maternal pelvis is large.

Continuous electronic fetal heart rate monitoring is recommended for face and brow presentations, as heart rate abnormalities are common in these scenarios. One study found that only 14% of the cases with face presentation had no abnormal traces on the cardiotocograph. [8] It is advised to use external transducer devices to prevent damage to the eyes. When internal monitoring is inevitable, it is suggested to place monitoring devices on bony parts carefully. 

People who are usually involved in the delivery of face/ brow presentation are:

• Experienced midwife, preferably looking after laboring woman 1:1
• Senior obstetrician 
• Neonatal team - in case of need for resuscitation 
• Anesthetic team - to provide necessary pain control (e.g., epidural)
• Theatre team  - in case of failure to progress and an emergency cesarean section will be required.
• Preparation

No specific preparation is required for face or brow presentation. However, it is essential to discuss the labor options with the mother and birthing partner and inform members of the neonatal, anesthetic, and theatre co-ordinating teams.

• Technique or Treatment

Mechanism of Labor in Face Presentation

During contractions, the pressure exerted by the fundus of the uterus on the fetus and pressure of amniotic fluid initiate descent. During this descent, the fetal neck extends instead of flexing. The internal rotation determines the outcome of delivery, if the fetal chin rotates posteriorly, vaginal delivery would not be possible, and cesarean section is permitted. The approach towards mentum-posterior delivery should be individualized, as the cases are rare. Expectant management is acceptable in multiparous women with small fetuses, as a spontaneous mentum-anterior rotation can occur. However, there should be a low threshold for cesarean section in primigravida women or women with large fetuses.

When the fetal chin is rotated towards maternal symphysis pubis as described as mentum-anterior; in these cases further descend through the vaginal canal continues with approximately 73% cases deliver spontaneously. [9] Fetal mentum presses on the maternal symphysis pubis, and the head is delivered by flexion. The occiput is pointing towards the maternal back, and external rotation happens. Shoulders are delivered in the same manner as in vertex delivery.

Mechanism of Labor in Brow Presentation

As this presentation is considered unstable, it is usually converted into a face or an occiput presentation. Due to the cephalic diameter being wider than the maternal pelvis, the fetal head cannot engage; thus, brow delivery cannot take place. Unless the fetus is small or the pelvis is very wide, the prognosis for vaginal delivery is poor. With persistent brow presentation, a cesarean section is required for safe delivery.

• Complications

As the cesarean section is becoming a more accessible mode of delivery in malpresentations, the incidence of maternal and fetal morbidity and mortality during face presentation has dropped significantly. [10]

However, there are still some complications associated with the nature of labor in face presentation. Due to the fetal head position, it is more challenging for the head to engage in the birth canal and descend, resulting in prolonged labor.

Prolonged labor itself can provoke foetal distress and arrhythmias. If the labor arrests or signs of fetal distress appear on CTG, the recommended next step in management is an emergency cesarean section, which in itself carries a myriad of operative and post-operative complications.

Finally, due to the nature of the fetal position and prolonged duration of labor in face presentation, neonates develop significant edema of the skull and face. Swelling of the fetal airway may also be present, resulting in respiratory distress after birth and possible intubation.

• Clinical Significance

During vertex presentation, the fetal head flexes, bringing the chin to the chest, forming the smallest possible fetal head diameter, measuring approximately 9.5cm. With face and brow presentation, the neck hyperextends, resulting in greater cephalic diameters. As a result, the fetal head will engage later, and labor will progress more slowly. Failure to progress in labor is also more common in both presentations compared to vertex presentation.

Furthermore, when the fetal chin is in a posterior position, this prevents further flexion of the fetal neck, as browns are pressing on the symphysis pubis. As a result, descend through the birth canal is impossible. Such presentation is considered undeliverable vaginally and requires an emergency cesarean section.

Manual attempts to change face presentation to vertex, manual or forceps rotation to mentum anterior are considered dangerous and are discouraged.

• Enhancing Healthcare Team Outcomes

A multidisciplinary team of healthcare experts supports the woman and her child during labor and the perinatal period. For a face or brow presentation to be appropriately diagnosed, an experienced midwife and obstetrician must be involved in the vaginal examination and labor monitoring. As fetal anomalies, such as anencephaly or goiter, can contribute to face presentation, sonographers experienced in antenatal scanning should also be involved in the care. It is advised to inform the anesthetic and neonatal teams in advance of the possible need for emergency cesarean section and resuscitation of the neonate. [11] [12]

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Disclosure: Julija Makajeva declares no relevant financial relationships with ineligible companies.

Disclosure: Mohsina Ashraf declares no relevant financial relationships with ineligible companies.

This book is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) ( http://creativecommons.org/licenses/by-nc-nd/4.0/ ), which permits others to distribute the work, provided that the article is not altered or used commercially. You are not required to obtain permission to distribute this article, provided that you credit the author and journal.

• Cite this Page Makajeva J, Ashraf M. Delivery, Face and Brow Presentation. [Updated 2023 Jan 9]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-.

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• Sonographic diagnosis of fetal head deflexion and the risk of cesarean delivery. [Am J Obstet Gynecol MFM. 2020] Sonographic diagnosis of fetal head deflexion and the risk of cesarean delivery. Bellussi F, Livi A, Cataneo I, Salsi G, Lenzi J, Pilu G. Am J Obstet Gynecol MFM. 2020 Nov; 2(4):100217. Epub 2020 Aug 18.
• Review Sonographic evaluation of the fetal head position and attitude during labor. [Am J Obstet Gynecol. 2022] Review Sonographic evaluation of the fetal head position and attitude during labor. Ghi T, Dall'Asta A. Am J Obstet Gynecol. 2022 Jul 6; . Epub 2022 Jul 6.
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Presentation and position of baby through pregnancy and at birth

9-minute read

If you are concerned about your baby’s movements, contact your doctor or midwife for advice immediately.

• If you baby is in a breech presentation, your doctor may recommend trying a technique called an external cephalic version to try and move your baby while they are still in the uterus for an easier birth.

What does presentation and position mean?

Presentation refers to the part of your baby’s body that is facing downwards in the direction of the birth canal.

Position refers to where your baby’s occiput (the bottom part of the back of their head) is in relation to your body.

If your baby is in a breech presentation , then position refers to where your baby’s sacrum (lower back) is in relation to your body.

People — including medical professionals — sometimes use these terms incorrectly. Sometimes when speaking about babies in breech presentation, the word ‘position’ will be used to refer to their presentation. For example, you may read information or hear people say ‘breech position’ instead of ‘breech presentation’.

What are the different types of presentation my baby could be in during pregnancy and birth?

Most babies present headfirst, also known as cephalic presentation. Most babies that are headfirst will be vertex presentation. This means that the crown of their head sits at the opening of your birth canal.

In rare cases, your baby can be headfirst but in face or brow presentation, which may not be suitable for vaginal birth.

If your baby is in a breech presentation, their feet or bottom will be closest to your birth canal. The 3 most common types of breech presentation are:

• frank or extended breech — where your baby’s legs are straight up in front of their body, with their feet up near their face
• complete or flexed breech — where your baby is in a sitting position with their legs crossed in front of their body and their feet near their bottom
• footling breech — where one or both of your baby’s feet are hanging below their bottom, so the foot or feet are coming first

Read more on breech presentation .

What are the different positions my baby could be in during pregnancy and birth?

If your baby is headfirst, the 3 main types of presentation are:

• anterior – when the back of your baby’s head is at the front of your belly
• lateral – when the back of your baby’s head is facing your side
• posterior – when the back of your baby’s head is towards your back

How will I know what presentation and position my baby is in?

Your doctor or midwife can usually work out your baby’s presentation by feeling your abdomen. They may also double check it with a portable ultrasound. Your baby’s presentation is usually checked around 36 weeks .

Your doctor or midwife will also confirm your baby’s head position in labour by examining your belly and using an ultrasound , and they may also do a vaginal examination . During the vaginal examination they are feeling for certain ridges on your baby’s head called sutures and fontanelles that help them work out which way your baby is positioned.

What is the ideal presentation and position for baby to be in for a vaginal birth?

For a vaginal birth, your baby will ideally be headfirst with the back of their head at the front of your belly, also known as being in the anterior position. This position is best for labour and birth since it means that the smallest part of your baby’s head goes down the birth canal first.

When does a baby usually get in the ideal presentation and position for birth?

Your baby will usually be in a headfirst position by 37 weeks of pregnancy. Around 3 in every 100 babies will be in breech presentation after 37 weeks.

Your baby’s position can change with your contractions during labour as they move down the birth canal, so their exact position can change during labour.

What are my options if baby isn't in the ideal presentation or position for a vaginal birth?

If your baby is in a breech presentation, your doctor may recommend a technique called an external cephalic version (ECV) to try and move your baby while they are still in the uterus . An ECV involves your doctor using their hands to apply pressure on your belly and help turn your baby to a headfirst position. It has a 1 in 2 chance of success and is a safe option in most pregnancies.

There is no evidence to show that alternative therapies, such as exercises, acupuncture or chiropractic treatments, help your baby change from a breech presentation to headfirst.

If your baby remains breech, your doctor may discuss having a breech vaginal birth. Not all doctors and hospitals offer this option. They may also suggest you birth your baby with a planned caesarean section .

If your baby’s presentation is headfirst but the position of your baby’s head is not ideal for labour, it can lead to a longer labour, and potential complications . The position of your baby’s head will often change as your labour progresses. If it doesn’t, sometimes you can still give birth without assistance, or you may need your doctor to help turn your baby’s head or help your birth with a vacuum or forceps .

Any procedure or decision for a type of birth will only go ahead with your consent . You will be able to discuss all the options with your doctor, and based on your preferences for yourself and your baby’s safety, make a decision together .

Resources and support

The Royal Australian and New Zealand College of Obstetrics and Gynaecology has a factsheet about the options available to you if your baby is in a breech presentation at the end of your pregnancy .

Mercy Perinatal has information on external cephalic version (ECV) safety and benefits if your baby is in a breech presentation at the end of your pregnancy.

The Women’s Hospital has information about the different presentations and positions your baby could be in, and how it can affect your birthing experience.

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Call Pregnancy, Birth and Baby to speak to a maternal child health nurse on 1800 882 436 or video call . Available 7am to midnight (AET), 7 days a week.

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Last reviewed: October 2023

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Position and Presentation of the Fetus

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Fetal Presentation: Baby’s First Pose

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Occiput Anterior

Occiput posterior, transverse position, complete breech, frank breech, changing fetal presentation, baby positions.

The position in which your baby develops is called the “fetal presentation.” During most of your pregnancy, the baby will be curled up in a ball – that’s why we call it the “fetal position.” The baby might flip around over the course of development, which is why you can sometimes feel a foot poking into your side or an elbow prodding your bellybutton. As you get closer to delivery, the baby will change positions and move lower in your uterus in preparation. Over the last part of your pregnancy, your doctor or medical care provider will monitor the baby’s position to keep an eye out for any potential problems.

In the occiput anterior position, the baby is pointed headfirst toward the birth canal and is facing down – toward your back. This is the easiest possible position for delivery because it allows the crown of the baby’s head to pass through first, followed by the shoulders and the rest of the body. The crown of the head is the narrowest part, so it can lead the way for the rest of the head.

The baby’s head will move slowly downward as you get closer to delivery until it “engages” with your pelvis. At that point, the baby’s head will fit snugly and won’t be able to wobble around. That’s exactly where you want to be just before labor. The occiput anterior position causes the least stress on your little one and the easiest labor for you.

In the occiput posterior position, the baby is pointed headfirst toward the birth canal but is facing upward, toward your stomach. This can trap the baby’s head under your pubic bone, making it harder to get out through the birth canal. In most cases, a baby in the occiput posterior position will either turn around naturally during the course of labor or your doctor or midwife may help it along manually or with forceps.

In a transverse position, the baby is sideways across the birth canal rather than head- or feet-first. It’s rare for a baby to stay in this position all the way up to delivery, but your doctor may attempt to gently push on your abdomen until the baby is in a more favorable fetal presentation. If you go into labor while the baby is in a transverse position, your medical care provider will likely recommend a c-section to avoid stressing or injuring the baby.

Breech Presentation

If the baby’s legs or buttocks are leading the way instead of the head, it’s called a breech presentation. It’s much harder to deliver in this position – the baby’s limbs are unlikely to line up all in the right direction and the birth canal likely won’t be stretched enough to allow the head to pass. Breech presentation used to be extremely dangerous for mothers and children both, and it’s still not easy, but medical intervention can help.

Sometimes, the baby will turn around and you’ll be able to deliver vaginally. Most healthcare providers, however, recommend a cesarean section for all breech babies because of the risks of serious injury to both mother and child in a breech vaginal delivery.

A complete breech position refers to the baby being upside down for delivery – feet first and head up. The baby’s legs are folded up and the feet are near the buttocks.

In a frank breech position, the baby’s legs are extended and the baby’s buttocks are closest to the birth canal. This is the most common breech presentation .

By late in your pregnancy, your baby can already move around – you’re probably feeling those kicks! Unfortunately, your little one doesn’t necessarily know how to aim for the birth canal. If the baby isn’t in the occiput anterior position by about 32 weeks, your doctor or midwife will typically recommend trying adjust the fetal presentation. They’ll use monitors to keep an eye on the baby and watch for signs of stress as they push and lift on your belly to coax your little one into the right spot. Your doctor may also advise you to try certain exercises at home to encourage the baby to move into the proper position. For example, getting on your hands and knees for a few minutes every day can help bring the baby around. You can also put cushions on your chairs to make sure your hips are always elevated, which can help move things into the right place. It’s important to start working on the proper fetal position early, as it becomes much harder to adjust after about 37 weeks when there’s less room to move around.

In many cases, the baby will eventually line up properly before delivery. Sometimes, however, the baby is still in the wrong spot by the time you go into labor. Your doctor or midwife may be able to move the baby during labor using forceps or ventouse . If that’s not possible, it’s generally safer for you and the baby if you deliver by c-section.

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What to know about baby’s position at birth

Having a baby is an exciting time, but it’s common to have some worries about labor and delivery. One thing that often causes mums-to-be concern is what position their baby will be in when the time comes for them to be born.

For a vaginal delivery, the baby must descend through the birth canal, passing through your pelvis to reach the vaginal opening. The position of the baby - or presentation of the fetus as it is also known - affects how quickly and easily the baby can be born. Some positions allow the baby to tuck their chin, and re-position and rotate their head to make their journey easier.

Here’s a guide to help you understand the language used to describe the position of babies and some tips for helping them into the ideal position for birth.

Position of the baby before birth

During pregnancy your baby has room to move about in your uterus or womb - twisting, turning, rolling, stretching and getting in some kicks. As your pregnancy progresses and they grow bigger there’s less room for them to move, but your baby should still move regularly until they are born, even during labor.

Sometime between 32 and 38 weeks of pregnancy, but usually around week 36, babies tend to move into a head down position. This allows their head to come out of your vagina first when they are born. Only about 3 to 4 percent of babies do not move into a head-first or cephalic presentation before birth.

What’s the ideal position of a baby for birth?

Occiput anterior is the ideal presentation for your baby to be in for a vaginal delivery.

Occiput anterior is a type of head-first or cephalic presentation for delivery of a baby. About 95 to 97 percent of babies position themselves in a cephalic presentation for delivery, often with the crown or top of their head - which is also known as the vertex - entering the birth canal first.

Usually when a baby is being born in a vertex presentation the back of the baby’s head, which is called the occiput, is towards the front or anterior of your pelvis and their back is towards your belly. Their chin is also typically in a flexed position, tucked into their chest.

Occiput anterior is the best and safest position for a baby to be born by a vaginal birth. It allows the smallest diameter of a baby’s head to descend into the birth canal first, making it easier for the baby to fit through your pelvis.

What other positions are babies born in?

Sometimes babies don’t position themselves in the ideal position for birth. These other positions are called abnormal positions. Listed below are the abnormal positions or presentations that some babies are born in.

Occiput posterior or back-to-back presentation

Occiput posterior position or back-to-back presentation occurs when the occiput - back of a baby’s head - is positioned towards your tailbone or back during delivery. Sometimes this presentation is also called “sunny side up” because babies born in this position enter the world facing up. About 5 percent of babies are delivered in the occiput posterior position.

Babies presenting in the occiput posterior position find it harder to make their way through the birth canal, which can lead to a longer labor. This presentation is three times more likely to end in a cesarean section (c-section) compared with babies presenting in the ideal, occiput anterior presentation.

Breech presentation

A breech presentation occurs when your baby’s buttock, feet or both are set to come out first at birth. About 3 to 4 percent of full-term babies are born in a breech position.

There are three types of breech presentation including:

• Frank breech. Frank breech is the most common breech presentation, occurring in 50 to 70 percent of breech births. Babies in the Frank breech position have their hips flexed and their knees extended so that their legs are folded flat against their head. Their bottom is closest to the birth canal.
• Footling or incomplete breech. Footling or incomplete breeches occur in 10 to 30 percent of breech births. An incomplete breech presentation is where just one of the baby’s knees is bent up. Their other foot and bottom are closest to the birth canal. In a footling breech presentation, one or both feet may be delivered first.
• Complete breech. A complete breech presentation is less common, occurring in 5 to 10 percent of breech births. Babies in a complete breech position have both knees bent and their feet and bottom are closest to the birth canal.

A breech delivery can result in the baby’s head or shoulders becoming stuck because opening to the uterus (cervix) may not be stretched enough by the baby’s body to allow the head and shoulders to pass through. Umbilical cord prolapse can also occur. This is when the cord slips into the vagina before the baby is delivered. If the cord is pinched then the flow of blood and oxygen to the baby can be reduced.

If an exam reveals your baby is sitting in a breech position and you’re past 36 weeks of pregnancy then external cephalic version (ECV) might be attempted to improve your chances of having a vaginal birth. ECV is performed by a qualified healthcare professional and it involves them pressing their hands on the outside of your belly to try and turn the baby.

Most babies found to be in a breech position are delivered by c-section because studies indicate that a vaginal delivery is about three times more likely to cause serious harm to the baby.

Brow and face presentations

Babies can also arrive brow- or face-first. A brow presentation results in the widest part of your baby’s head trying to fit through your pelvis first. This is a rare presentation, affecting about 1 in every 500 to 1400 births.

Instead of flexing and tucking their chin, babies presenting brow-first slightly extend their head and neck in the same way they would if they were looking up.

If your baby stays in a brow presentation it’s highly unlikely that they will be able to make their way through your pelvis. If your cervix is fully dilated then your doctor may be able to use their hand or ventouse - a vacuum cup - to move your baby’s head into a flexed position. If there are signs that your baby is becoming distressed or labor isn’t progressing then a c-section may be recommended.

More than half of the babies presenting brow-first, however, flex their head during early labor and move into a better position that allows labor to progress. Although, some babies tip their head back further and present face-first.

A face presentation is another rare position for a baby to be born in, occurring in only 1 in every 600 to 800 births.

Almost three quarters of babies presenting face-first can be delivered vaginally, especially if the baby’s chin is near your pubic bone, although labor may be prolonged.

Some baby’s presenting face-first may need to be delivered by c-section, particularly if their chin is near your tailbone, your labor is not progressing or your baby’s heart rate is causing concern.

Shoulder presentation

If your baby is lying sideways across your uterus - in a transverse lie - their shoulder can present first. Shoulder presentation occurs in less than 1 percent of deliveries. Virtually all babies in a shoulder presentation will need to be delivered by c-section. If labor begins while the baby is in this position then the shoulder will become stuck in the pelvis and the labor will not progress.

What factors can influence the position of my baby?

A number of factors can influence the position of your baby during labor and delivery, including:

• If you have been pregnant before
• The size and shape of your pelvis
• Having an abnormally shaped uterus
• Having growths in your uterus, such as fibroids
• Having placenta previa - the placenta covers some or all of the cervix
• A premature birth
• Having twins or multiple babies
• Having too much (polyhydramnios) or too little (oligohydramnios) amniotic fluid
• Abnormalities that prevent the baby tucking their chin to their chest

How do I tell what position my baby is in?

Your midwife or your obstetrician-gynecologist (OB-GYN) should be able to tell you the position of your baby by feeling your belly, using an ultrasound scan or conducting a pelvic exam.

You might also be able to tell the position of the baby from their movements.

If your baby is in a back-to-back position your belly may feel more squishy and their kicks are likely to be felt or seen around the middle of your belly. You may also notice that instead of your belly poking out there is a dip around your belly button.

If your baby is in the ideal occiput anterior presentation you’re likely to feel the firm, rounded surface of your baby’s back on one side of your belly and feel kicks up under your ribs.

How do I get my baby into the best position for birth?

Here are some tips to try to encourage your baby to engage in the ideal position for birth:

• Remain upright, but lean forward to create more space in your pelvis for your baby to turn.
• Sit with your back as straight as possible and your knees lower than your hips. Placing a cushion under your bottom and one behind your back may make this position more comfortable. Avoid sitting with your knees higher than your pelvis.
• When you read a book, sit on a dining room chair and rest your elbows on the table. Lean forward slightly with your knees apart. Avoid crossing your knees.
• If pelvic girdle pain is not an issue, try sitting facing backwards with your arms resting on the back of a chair.
• Watch TV kneeling on the floor leaning over a big bean bag.
• Go for a swim.
• Sit on a birth ball or swiss ball - they can be used both before and during labor.
• Lie down on your side rather than your back. Place a pillow between your knees for comfort.
• Try moving about on all fours. Try wiggling your hips or arching your back before straightening your spine again.
• During Braxton Hicks (practice contractions), use a forward leaning posture
• During contractions, stay on your feet, lean forwards and rock your hips from side to side and up and down to get your bottom wiggling as you walk

Remember to attend your antenatal appointments and contact your midwife or OB-GYN if you have any questions or concerns about the position of your baby.

Article references

• MedlinePlus . Your baby in the birth canal. Available at: https://medlineplus.gov/ency/article/002060.htm . [Accessed May 19, 2022].
• NHS Inform. How your baby lies in the womb. August 17, 2021. Available at: https://www.nhsinform.scot/ready-steady-baby/labour-and-birth/getting-ready-for-the-birth/how-your-baby-lies-in-the-womb . [Accessed May 19, 2022].
• The American College of Obstetricians and Gynecologists (ACOG). If Your Baby is Breech. November 2020. Available at: https://www.acog.org/womens-health/faqs/if-your-baby-is-breech . [Accessed May 19, 2022].
• MedlinePlus. Breech - series - Types of breech presentation. March 12, 2020. Available at: https://medlineplus.gov/ency/presentations/100193_3.htm . [Accessed May 19, 2022].
• Medscape . Breech Presentation. January 20, 2022. Available at: https://emedicine.medscape.com/article/262159-overview . [Accessed May 19, 2022].
• Physicians & Midwives. Which Way is Up? What Your Baby’s Position Means for Your Delivery. November 15, 2012. Available at: https://physiciansandmidwives.com/what-your-babys-position-means-for-delivery/ . [Accessed May 19, 2022].
• BabyCentre. What is brow presentation? Available at: https://www.babycentre.co.uk/x564026/what-is-brow-presentation . [Accessed May 19, 2022].
• NCT. Bay position in the womb before birth. Available at: https://www.nct.org.uk/labour-birth/getting-ready-for-birth/baby-positions-womb-birth . [Accessed May 19, 2022].
• NHS Forth Valley. Ante Natal Advice for Optimal Fetal Positioning. 2020. Available at: https://nhsforthvalley.com/wp-content/uploads/2014/01/Ante-Natal-Advice-for-Optimal-Fetal-Positioning.pdf . [Accessed May 19, 2022].

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Fetal Presentation, Position, and Lie (Including Breech Presentation)

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Variations in Fetal Position and Presentation

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Presentation refers to the part of the fetus’s body that leads the way out through the birth canal (called the presenting part). Usually, the head leads the way, but sometimes the buttocks (breech presentation), shoulder, or face leads the way.

Position refers to whether the fetus is facing backward (occiput anterior) or forward (occiput posterior). The occiput is a bone at the back of the baby's head. Therefore, facing backward is called occiput anterior (facing the mother’s back and facing down when the mother lies on her back). Facing forward is called occiput posterior (facing toward the mother's pubic bone and facing up when the mother lies on her back).

Lie refers to the angle of the fetus in relation to the mother and the uterus. Up-and-down (with the baby's spine parallel to mother's spine, called longitudinal) is normal, but sometimes the lie is sideways (transverse) or at an angle (oblique).

For these aspects of fetal positioning, the combination that is the most common, safest, and easiest for the mother to deliver is the following:

Head first (called vertex or cephalic presentation)

Facing backward (occiput anterior position)

Spine parallel to mother's spine (longitudinal lie)

Neck bent forward with chin tucked

Arms folded across the chest

If the fetus is in a different position, lie, or presentation, labor may be more difficult, and a normal vaginal delivery may not be possible.

Variations in fetal presentation, position, or lie may occur when

The fetus is too large for the mother's pelvis (fetopelvic disproportion).

The fetus has a birth defect Overview of Birth Defects Birth defects, also called congenital anomalies, are physical abnormalities that occur before a baby is born. They are usually obvious within the first year of life. The cause of many birth... read more .

There is more than one fetus (multiple gestation).

Position and Presentation of the Fetus

Some variations in position and presentation that make delivery difficult occur frequently.

Occiput posterior position

In occiput posterior position (sometimes called sunny-side up), the fetus is head first (vertex presentation) but is facing forward (toward the mother's pubic bone—that is, facing up when the mother lies on her back). This is a very common position that is not abnormal, but it makes delivery more difficult than when the fetus is in the occiput anterior position (facing toward the mother's spine—that is facing down when the mother lies on her back).

Breech presentation

In breech presentation, the baby's buttocks or sometimes the feet are positioned to deliver first (before the head).

When delivered vaginally, babies that present buttocks first are more at risk of injury or even death than those that present head first.

The reason for the risks to babies in breech presentation is that the baby's hips and buttocks are not as wide as the head. Therefore, when the hips and buttocks pass through the cervix first, the passageway may not be wide enough for the head to pass through. In addition, when the head follows the buttocks, the neck may be bent slightly backwards. The neck being bent backward increases the width required for delivery as compared to when the head is angled forward with the chin tucked, which is the position that is easiest for delivery. Thus, the baby’s body may be delivered and then the head may get caught and not be able to pass through the birth canal. When the baby’s head is caught, this puts pressure on the umbilical cord in the birth canal, so that very little oxygen can reach the baby. Brain damage due to lack of oxygen is more common among breech babies than among those presenting head first.

Breech presentation is more likely to occur in the following circumstances:

Labor starts too soon (preterm labor).

Sometimes the doctor can turn the fetus to be head first before labor begins by doing a procedure that involves pressing on the pregnant woman’s abdomen and trying to turn the baby around. Trying to turn the baby is called an external cephalic version and is usually done at 37 or 38 weeks of pregnancy. Sometimes women are given a medication (such as terbutaline ) during the procedure to prevent contractions.

Other presentations

In face presentation, the baby's neck arches back so that the face presents first rather than the top of the head.

In brow presentation, the neck is moderately arched so that the brow presents first.

Usually, fetuses do not stay in a face or brow presentation. These presentations often change to a vertex (top of the head) presentation before or during labor. If they do not, a cesarean delivery is usually recommended.

In transverse lie, the fetus lies horizontally across the birth canal and presents shoulder first. A cesarean delivery is done, unless the fetus is the second in a set of twins. In such a case, the fetus may be turned to be delivered through the vagina.

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Delivery, Face Presentation, and Brow Presentation: Understanding Fetal Positions and Birth Scenarios

Introduction:.

During childbirth, the position of the baby plays a significant role in the delivery process. While the most common fetal presentation is the head-down position (vertex presentation), variations can occur, such as face presentation and brow presentation. This comprehensive article aims to provide a thorough understanding of delivery, face presentation, and brow presentation, including their definitions, causes, complications, and management approaches.

Delivery Process:

• Normal Vertex Presentation: In a typical delivery, the baby is positioned head-down, with the back of the head (occiput) leading the way through the birth canal.
• Engagement and Descent: Prior to delivery, the baby's head engages in the pelvis and gradually descends, preparing for birth.
• Cardinal Movements: The baby undergoes a series of cardinal movements, including flexion, internal rotation, extension, external rotation, and restitution, which facilitate the passage through the birth canal.

Face Presentation:

• Definition: Face presentation occurs when the baby's face is positioned to lead the way through the birth canal instead of the vertex (head).
• Causes: Face presentation can occur due to factors such as abnormal fetal positioning, multiple pregnancies, uterine abnormalities, or maternal pelvic anatomy.
• Complications: Face presentation is associated with an increased risk of prolonged labor, difficulties in delivery, increased fetal malposition, birth injuries, and the need for instrumental delivery.
• Management: The management of face presentation depends on several factors, including the progression of labor, the size of the baby, and the expertise of the healthcare provider. Options may include closely monitoring the progress of labor, attempting a vaginal delivery with careful maneuvers, or considering a cesarean section if complications arise.

Brow Presentation:

• Definition: Brow presentation occurs when the baby's head is partially extended, causing the brow (forehead) to lead the way through the birth canal.
• Causes: Brow presentation may result from abnormal fetal positioning, poor engagement of the fetal head, or other factors that prevent full flexion or extension.
• Complications: Brow presentation is associated with a higher risk of prolonged labor, difficulty in descent, increased chances of fetal head entrapment, birth injuries, and the potential need for instrumental delivery or cesarean section.
• Management: The management of brow presentation depends on various factors, such as cervical dilation, progress of labor, fetal size, and the presence of complications. Close monitoring, expert assessment, and a multidisciplinary approach may be necessary to determine the safest delivery method, which can include vaginal delivery with careful maneuvers, instrumental assistance, or cesarean section if warranted.

Delivery Techniques and Intervention:

• Obstetric Maneuvers: In certain situations, skilled healthcare providers may use obstetric maneuvers, such as manual rotation or the use of forceps or vacuum extraction, to facilitate delivery, reposition the baby, or prevent complications.
• Cesarean Section: In cases where vaginal delivery is not possible or poses risks to the mother or baby, a cesarean section may be performed to ensure a safe delivery.

Conclusion:

Delivery, face presentation, and brow presentation are important aspects of childbirth that require careful management and consideration. Understanding the definitions, causes, complications, and appropriate management approaches associated with these fetal positions can help healthcare providers ensure safe and successful deliveries. Individualized care, close monitoring, and multidisciplinary collaboration are crucial in optimizing maternal and fetal outcomes during these unique delivery scenarios.

Hashtags: #Delivery #FacePresentation #BrowPresentation #Childbirth #ObstetricDelivery

On the Article

Krish Tangella MD, MBA

Alexander Enabnit

Alexandra Warren

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INTRODUCTION

Diagnosis and management of face and brow presentations will be reviewed here. Other cephalic malpresentations are discussed separately. (See "Occiput posterior position" and "Occiput transverse position" .)

Prevalence  —  Face and brow presentation are uncommon. Their prevalences compared with other types of malpresentations are shown below [ 1-9 ]:

● Occiput posterior – 1/19 deliveries

● Breech – 1/33 deliveries

Military Obstetrics & Gynecology – 3rd Edition

Fetal presentation.

Fetal presentation means the part of the fetus that is “presenting” at the cervix:

• Cephalic presentation means head first. This is the normal presentation.
• Breech presentation means the fetal butt is coming out first.
• Transverse lie means the fetus is oriented from one side of the mother to the other and neither the head nor the butt is coming out first.
• Compound presentation means that a fetal hand is coming out with the fetal head.
• Shoulder presentation means that the fetal shoulder is trying to come out first.

Fetal “presentation” is different from fetal “position.” Fetal position refers to the orientation of the fetus within the birth canal (eg, looking toward the mother’s pubic bone (OP), or look toward the mother’s coccyx (OA), etc.)

Breech Presentation

Frank breech means the buttocks are presenting and the legs are up along the fetal chest. The fetal feet are next to the fetal face. This is the safest arrangement for breech delivery.

Footling breech means either one foot (“Single Footling”) or both feet (“Double Footling”) is presenting. This is also known as an incomplete breech.

Complete breech means the fetal thighs are flexed along the fetal abdomen, but the fetal shins and feet are tucked under the legs. The buttocks is presenting first, but the feet are very close. Sometimes during labor, a complete breech will shift to an incomplete breech if one or both of the feet extend below the fetal buttocks.

While many breech fetuses deliver vaginally without incident, this presentation is associated with an increased risk of:

• Fetal mechanical injury (fractures, nerve damage, and soft tissue injuries)
• Fetal asphyxia due to umbilical cord prolapse and obstruction, and fetal head entrapment.

For these reasons, many breech babies are delivered by cesarean section, and some obstetricians feel that all breech babies should be delivered in this way.

Transverse Lie

If the fetus remains in a transverse lie, it cannot deliver deliver vaginally as the diameter of the fetal presenting part (the whole body, in this case) cannot descend through the birth canal.

If labor is allowed to continue for enough time with the fetus in transverse lie, the uterus will rupture. Even before the uterus ruptures, there is an increased risk in this presentation for prolapsed umbilical cord. For these reasons, women found to have a transverse lie in labor will usually have a cesarean section.

There are some exceptions to this indication for cesarean section:

• If labor is occurring during the middle trimester and fetus is not considered viable, it may be possible for this very small and fragile fetus to compress enough to squeeze through the pelvis. In this case, fetal survival would not be an issue.
• It may be possible to perform an external version, during which you manipulate the fetus, converting it to either breech or cephalic presentation. This is often more difficult than it sounds, particularly during labor, and carries some risk of injury to the fetus, placenta, umbilical cord, or uterus.
• In the case of twins, it would be acceptable to allow labor, even though the second twin is in transverse lie, anticipating that after delivery of the first twin, you would reach in and perform an internal version, converting the transverse lie to cephalic or breech presentation prior to delivery.

Some predisposing factors for a transverse lie include:

• Grand multiparity – more than 5 term pregnancies.
• Placenta previa
• Bony abnormalities of the pelvis
• Pelvic kidney
• Other pelvic mass

Transverse lie occurs frequently in early pregnancy, when it is of no consequence. At 16 weeks gestation, about half of all pregnancies will be transverse lie. This number steadily falls as pregnancy advances and the incidence of transverse lie by the 28th week is well below 10%. It falls steadily thereafter.

Whenever a fetal transverse lie is encountered near term or in labor, evaluate the patient carefully with ultrasound to determine if there are any predisposing factors, such as a placenta previa or pelvic kidney that could modify your management of the patient. So long as a placenta previa is not present, many obstetricians will check the patient’s cervix at frequent intervals to detect early cervical dilatation and the consequential increased risk of cord prolapse. Sometimes, these patients are delivered early by scheduled cesarean section to avoid that risk.

Compound Presentation

Compound presentation means that a fetal hand is coming out with the fetal head. This is a problem because:

• The amount of baby that must come through the birth canal at one time is increased.
• There is increased risk of mechanical injury to the arm and shoulder, including fractures, nerve injuries and soft tissue injury.

A compound presentation may be resolvable if the fetus can be encouraged to withdraw the hand, for example.

If the fetus and arm are relatively small in comparison to the maternal pelvis, vaginal delivery may still be possible, but with some risk of injury to the arm.

If the fetus and arm are relatively large in comparison to the maternal pelvis, obstructed labor will occur and a cesarean will be needed.

Shoulder presentation

Shoulder presentation means that the fetal shoulder is trying to come out first. This is a more advanced form of transverse lie and is undeliverable vaginally.

In military settings, position and presentation can be made by:

• Pelvic Exam
• Abdominal Exam (Leopold’s Maneuvers)
• Single x-ray of the abdomen
• Ultrasound if available.

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Vertex Presentation : Types, Positions, Complications and Risks

Do not ignore your symptoms!

Find out what could be causing them

Overview 

When babies are about to enter the world, they are either in a vertex, breech, or transverse position. A vertex position means the baby is head-down in the pelvic region, which is the position a baby is required to be during vaginal delivery. 

This blog talks about the vertex position, complications, and the other types of positions the baby can be during delivery. 

What is the vertex position? 

As mentioned earlier, a vertex position is a baby’s position during vaginal delivery. The baby moves into the vertex position  between the 33 rd – 36 th week of pregnancy. In this position, the baby’s head comes out first through the vagina during delivery. However, it is vital to know that the baby can present with other positions like breech (feet-first position) or transverse (lying sideways) position. In such cases, the healthcare provider may suggest alternate birth plans to deliver the baby safely.   

How is a baby delivered in the vertex position?  

When a baby is in a vertex position, it moves through the birth canal and comes out through the vagina. Unlike other mammals that have wider birth canals, humans have smaller ones. Due to the tight space in the birth canal, the baby tends to flex their heads in different ways to fit into the area and enter the world. However, the chances of the baby changing position at the last minute reduce drastically when the baby’s head fits inside the birth canal. The baby can switch to a vertex position anytime during delivery even if it is in a breech or transverse position.

When to seek medical advice?

A pregnant woman can seek medical advice to clear any doubts or clarifications.

What are the other positions a baby may lie in the womb?  

As already mentioned, unborn babies may also assume breech or transverse positions in the womb. The following gives a detailed explanation of both.

Breech Position

In this position, the babies lie in the womb pointing their feet or buttocks toward the vagina of the mother. If the baby stays in a breech position even after 36 weeks of pregnancy, the healthcare provider may try External Cephalic Version (ECV) on the mother. ECV refers to external pressure on the belly to change the baby’s position to a vertex. This procedure is painful for the mother, but it is the safest way to keep the baby in place. In almost 50% of the cases, ECV works and assists the baby in moving into a vertex position. 

In case of vaginal bleeding , the irregular heartbeat of the baby, broken water, or multiple pregnancies, ECV is not recommended. Also, ECV should not be performed if the baby is bigger or smaller than usual, if the placenta is low or if the mother develops high blood pressure and organ damage. The healthcare provider may recommend C-section to deliver the baby in such cases. 

Transverse Position

The baby is lying across the uterus during delivery. The doctors may recommend an ECV procedure. If ECV fails, the healthcare provider may deliver the baby through a C-section .

Can complications happen even when the baby is in the vertex position? 

Even though the vertex position is the correct way a baby should lie during delivery, there are chances of complications. If the baby weighs more than 4.5 kg, it becomes challenging for the baby to manoeuvre out of the birth canal. The shoulders of heavy babies may face trouble moving down the canal. For such babies, doctors regularly conduct checks and are extra cautious during prenatal visits and at the time of birth. For babies above 5 kg, they may recommend alternate delivery options to avoid trauma for both the baby and the mother.  

What are the risks associated with the Breech and Transverse position of the baby? 

Breech and transverse positions can lead to many complications, such as the following:  

ECV issues : While the healthcare provider performs ECV to shift the baby’s position into a vertex position, it may rupture the amniotic sac or tear the placenta. Sometimes it may change the baby’s heartbeat or may induce early labour.  

Problems with breech birth : In the breech position, the baby isn’t able to push the cervical muscles of the mother to come out. Their shoulders or heads may get stuck or impaled by the mother’s pelvis. Also, the umbilical cord may enter the vagina before the baby, reducing blood and oxygen flow to the baby.    

Conclusion 

Vertex position is the right way a baby should lie in the womb during delivery. It doesn’t mean that vertex position does not cause complications. It is crucial to seek expert advice during pregnancy to clarify doubts and address all concerns.  

Frequently Asked Questions (FAQs)

Will the baby turn after being in a vertex position .

Even when the baby is in the proper vertex position, there are chances of them turning to other positions. Expectant mothers with excess amniotic fluid may be a risk of a vertex-positioned baby suddenly becoming breech. Consult the healthcare provider and ask what can be done about keeping the baby in the proper position until delivery.  

How to know if a pregnant woman is having a vertex-positioned baby? 

All healthcare professionals are trained to feel the baby’s position with their hands. This method is known as Leopold’s moves, and they may help find if the baby has a positioned vertex. An ultrasound test also helps precisely find and confirm the baby’s position.  

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Baby Hedgehog Rescued by 'Well-Meaning' Woman Turns Out to Be a Pom-Pom

The funny discovery was made at a wildlife hospital in Cheshire, England, who have now named the pom-pom 'Hoglet'

Kennedy News and Media

A wildlife hospital just solved a hilarious case of mistaken identity. 

On Thursday, a woman brought in a baby hedgehog to the Lower Moss Nature Reserve and Wildlife Hospital in Cheshire, England — only to be told it wasn’t an animal in need but a beanie hat pop-pom. 

The caring woman had picked up the 'hedgehog' from the side of the road after she noticed it “hadn’t moved or pooped all night,” reported U.K. newspaper The Independent .

“From a distance, you take it at face value. She didn’t handle it at all — she scooped it in a box with some cat food and left it alone in a warm, dark place,” veterinarian Janet Kotze, who was on shift at the time, told the outlet

“She did everything so well. She barely peeked at it because she didn’t want to stress it out.”

Kotze described the woman who made the rescue to be in her “sixties or seventies” with “well-meaning” intentions. She said she knew immediately when presented with the box containing the ‘hedgehog’ what it actually was. 

“It was pretty obvious to us but I can also see how she was mistaken,” she recalled. “She said, ‘You’re joking! Oh my goodness, how did I do that?’ ”

“She was so concentrated on doing the right thing. She was concerned it hadn’t moved or even pooed — that would be spooky if it had,” Kotze added. 

The wildlife hospital wrote of the rescue attempt on Facebook , “Our hearts melted as a kind soul thought she was rescuing a baby hedgehog,” as they jokingly nicknamed the pop-pom ‘hoglet.’

Despite the mistake, the reserve shared that the “adorable” new visitor “still got all the love, complete with some cozy TLC.”

Never miss a story — sign up for  PEOPLE's free daily newsletter  to stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories.

“Remember, kindness knows no bounds, even when it's to a faux furry friend! 🐾,” the wildlife hospital added while highlighting the importance of rescuing hedgehogs in vulnerable situations. 

“Please remember, if you spot a hedgehog out during the day, it's a sign something's not right. Pop them in a box with a warm source and seek help from your local vets. Let's keep our prickly friends safe!”

Related Articles

What is Good Friday? What the holy day means for Christians around the world

Christians around the world observe Good Friday two days before Easter, but what is it, and why do they commemorate the holy day?

The holiday is part of Holy Week, which leads up to Easter Sunday. Palm Sunday kicks off the series of Christian holy days that commemorate the Crucifixion and celebrate Jesus Christ's resurrection.

"Good Friday has been, for centuries now, the heart of the Christian message because it is through the death of Jesus Christ that Christians believe that we have been forgiven of our sins," Daniel Alvarez, an associate teaching professor of religious studies at Florida International University, told USA TODAY.

What is Holy Saturday? What the day before Easter means for Christians around the world

When is Good Friday?

Good Friday is always the Friday before Easter. It's the second-to-last day of Holy Week.

In 2024, Good Friday will fall on March 29.

What is Good Friday?

Good Friday is the day Christ was sacrificed on the cross. According to Britannica , it is a day for "sorrow, penance, and fasting."

"Good Friday is part of something else," Gabriel Radle, an assistant professor of theology at the University of Notre Dame, previously told USA TODAY. "It's its own thing, but it's also part of something bigger."

Are Good Friday and Passover related?

Alvarez says that Good Friday is directly related to the Jewish holiday, Passover.

Passover , or Pesach, is a major Jewish holiday that celebrates the Israelites’ exodus from Egypt.

"The whole Christian idea of atoning for sin, that Jesus is our atonement, is strictly derived from the Jewish Passover tradition," said Alvarez.

How is that possible?

According to the professor, Passover celebrates the day the "Angel of Death" passed over the homes of Israelites who were enslaved by the Egyptians. He said that the Bible states when the exodus happened, families were told to paint their doors with lamb's blood so that God would spare the lives of their firstborn sons.

Alvarez says this is why Christians call Jesus the "lamb of God." He adds that the symbolism of the "blood of the lamb" ties the two stories together and is why Christians believe God sacrificed his firstborn son. Because, through his blood, humanity is protected from the "wrath of a righteous God that cannot tolerate sin."

He adds that the stories of the exodus and the Crucifixion not only further tie the stories together but also emphasize just how powerful the sacrifice of the firstborn and the shedding of blood are in religion.

"Jesus is the firstborn, so the whole idea of the death of the firstborn is crucial," said Alvarez.

He adds that the sacrifice of the firstborn, specifically a firstborn son, comes from an ancient and "primitive" idea that the sacrifice unleashes "tremendous power that is able to fend off any kind of force, including the wrath of God."

Why Is Good Friday so somber?

Alavarez says people might think this holiday is more depressing or sad than others because of how Catholics commemorate the Crucifixion.

"I think [it's] to a level that some people might think is morbid," said Alvarez.

He said Catholics not only meditate on Jesus' death, but primarily focus on the suffering he faced in the events that led up to his Crucifixion. That's what makes it such a mournful day for people.

But, the professor says that Jesus' suffering in crucial to Christianity as a whole.

"The suffering of Christ is central to the four Gospels," said Alvarez. "Everything else is incidental."

According to the professor, statues that use blood to emphasize the way Jesus and Catholic saints suffered is very common in Spanish and Hispanic Countries, but not as prevalent in American churches.

Do you fast on Good Friday?

Father Dustin Dought, the executive director of the Secretariat of Divine Worship of the United States Conference of Catholic Bishops, previously told USA TODAY that Good Friday and Ash Wednesday are the two days in the year that Roman Catholics are obliged to fast.

"This practice is a way of emptying ourselves so that we can be filled with God," said Dought.

What do you eat on Good Friday?

Many Catholics do not eat meat on any Friday during Lent. Anything with flesh is off-limits. Dought says this practice is to honor the way Jesus sacrificed his flesh on Good Friday.

Meat that is off limits includes:

Instead, many Catholics will eat fish. According to the Marine Stewardship Council , this is allowed because fish is considered to be a different type of flesh.

Contributing: Jordan Mendoza ; USA TODAY