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Why Is Cephalic Presentation Ideal For Childbirth?

5   Dec   2017 | 8 min Read

During labour, contractions stretch your birth canal so that your baby has adequate room to come through during birth. The cephalic presentation is the safest and easiest way for your baby to pass through the birth canal.

If your baby is in a non-cephalic position, delivery can become more challenging. Different fetal positions pose a range of difficulties and varying risks and may not be considered ideal birthing positions.

Two Kinds of Cephalic Positions

There are two kinds of cephalic positions:

• Cephalic occiput anterior , where your baby’s head is down and is facing toward your back.
• Cephalic occiput posterior , where your baby is positioned head down, but they are facing your abdomen instead of your back. This position is also nicknamed ‘sunny-side-up’ and can increase the chances of prolonged and painful delivery. 

How to Know if Your Baby is In a Cephalic Position?

You can feel your baby’s position by rubbing your hand on your belly. If you feel your little one’s stomach in the upper stomach, then your baby is in a cephalic position. But if you feel their kicks in the lower stomach, then it could mean that your baby is in a breech position.

You can also determine whether your baby is in the anterior or posterior cephalic position. If your baby is in the anterior position, you may feel their movement underneath your ribs and your belly button could also pop out. If your baby is in the posterior position, then you may feel their kicks in their abdomen, and your stomach may appear rounded up instead of flat. 

You can also determine your baby’s position through an ultrasound scan or a physical examination at your healthcare provider’s office. 

Benefits of Cephalic Presentation in Pregnancy

Cephalic presentation is one of the most ideal birth positions, and has the following benefits:

• It is the safest way to give birth as your baby’s position is head-down and prevents the risk of any injuries.
• It can help your baby move through the delivery canal as safely and easily as possible.
• It increases the chances of smooth labour and delivery.

Are There Any Risks Involved in Cephalic Position?

Conditions like a cephalic posterior position in addition to a narrow pelvis of the mother can increase the risk of pregnancy complications during delivery. Some babies in the head-first cephalic presentation might have their heads tilted backward. This may, in some rare cases, cause preterm delivery.

What are the Risks Associated with Other Birth Positions?

A small percentage of babies may settle into a non-cephalic position before their birth. This can pose risks to both your and your baby’s health, and also influence the way in which you deliver. 

In the next section, we have discussed a few positions that your baby can settle in throughout pregnancy, as they move around the uterus. But as they grow old, there will be less space for them to tumble around, and they will settle into their final position. This is when non-cephalic positions can pose a risk.  

Breech Position

There are three types of breech fetal positioning:

• Frank breech : Your baby’s legs stick straight up along with their feet near their head.
• Footling breech: One or both of your baby’s legs are lowered over your cervix.
• Complete breech: Your baby is positioned bottom-first with their knees bent.

If your baby is in a breech position , vaginal delivery is considered complicated. When a baby is born in breech position, the largest part of their body, that is, their head is delivered last. This can lead to injury or even fetal distress. Moreover, the umbilical cord may also get damaged or get wrapped around your baby’s neck, cutting off their oxygen supply.  

If your baby is in a breech position, your healthcare provider may recommend a c-section, or they may try ways to flip your baby’s position in a cephalic presentation.

Transverse Lie

In this position, your baby settles in sideways across the uterus rather than being in a vertical position. They may be:

• Head-down, with their back facing the birth canal
• One shoulder pointing toward the birth canal
• Up with their hands and feet facing the birth canal

If your baby settles in this position, then your healthcare provider may suggest a c-section to reduce the risk of distress in your baby and other pregnancy complications.

Turning Your Baby Into A Cephalic Position

External cephalic version (ECV) is a common, and non-invasive procedure that helps turn your baby into a cephalic position while they are in the womb. However, your healthcare provider may only consider this procedure if they consider you have a stable health condition in the last trimester, and if your baby hasn’t changed their position by the 36th week.

You can also try some natural remedies to change your baby’s position, such as:

• Lying in a bridge position: Movements like bridge position can sometimes help move your baby into a more suitable position. Lie on your back with your feet flat on the ground and your legs bent. Raise your pelvis and hips into a bridge position and hold for 5-10 minutes. Repeat several times daily.
• Chiropractic care: A chiropractor can help with the adjustment of your baby’s position and also reduce stress in them.
• Acupuncture: After your doctor’s go-ahead, you can also consider acupuncture to get your baby to settle into an ideal birthing position.

While most babies settle in a cephalic presentation by the 36th week of pregnancy, some may lie in a breech or transverse position before birth. Since the cephalic position is considered the safest, your doctor may recommend certain procedures to flip your baby’s position to make your labour and delivery smooth. You may also try the natural methods that we discussed above to get your baby into a safe birthing position and prevent risks or other pregnancy complications. 

When Should A Baby Be In A Cephalic Position?

Your baby would likely naturally drop into a cephalic position between weeks 37 to 40 of your pregnancy .

Is Cephalic Position Safe?

Research shows that 95% of babies take the cephalic position a few weeks or days before their due date. It is considered to be the safest position. It ensures a smooth birthing process.

While most of the babies are in cephalic position at delivery, this is not always the case. If you have a breech baby, you can discuss the available options for delivery with your doctor.

Does cephalic presentation mean labour is near?

Head-down is the ideal position for your baby within your uterus during birth. This is known as the cephalic position. This posture allows your baby to pass through the delivery canal more easily and safely.

Can babies change from cephalic to breech?

The external cephalic version (ECV) is the most frequent procedure used for turning a breech infant.

How can I keep my baby in a cephalic position?

While your baby naturally gets into this position, you can try some exercises to ensure that they settle in cephalic presentation. Exercises such as breech tilt, forward-leaning position (spinning babies program), cat and camel pose can help.

Stitches after a normal delivery : How many stitches do you need after a vaginal delivery? Tap this post to know.

Vaginal birth after caesarean delivery : Learn all about the precautions to consider before having a vaginal delivery after a c-section procedure. 

How many c-sections can you have : Tap this post to know the total number of c-sections that you can safely have.

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Cephalic Presentation Of The Baby – Best Position For Normal Delivery

Published on: 8 October , 2018 | Kanchan V

The position of the baby in the uterus at the time of childbirth is called the Cephalic Presentation of the fetus. The baby’s position during the last stages of pregnancy decides whether it is going to be a normal delivery or a Caesarean delivery.  Babies tend to rotate in the womb till the very last moments. It is difficult to predict what the final position would be on the due date of delivery. Read more about Cephalic Presentation Of The Baby - Best Position For Normal Delivery.

What is Cephalic Presentation at 36 weeks and what determines it?

Common positions for birth, occiput or cephalic posterior, frank breech, complete breech, transverse lie, footling breech.

The baby’s head is the largest part of the body;  so during delivery when the head comes out first , the rest of the body follows smoothly and the baby can cross the narrow delivery passage canal smoothly. The most favored situation for birth would be the baby positioned head-down, facing the mother’s back, with the chin tucked in to its chest and back of the head ready to enter the pelvis. This is called Cephalic Presentation. Most babies settle into this position during the 32 nd   – 36 th week of pregnancy; getting ready to enter this world.  Your health care provider will carefully assess the position of the baby throughout the last month of pregnancy to make sure that the baby is getting ready for a normal birth.

In some cases, the head may be facing upwards towards the mothers’s ribs instead of the pelvis. This is called as Cephalic Posterior position.  While we have understood that cephalic presentation is the best for a normal vaginal delivery, not all cases are the same. Every baby has a unique style of comfort while it stays in the womb itself!! Other Fetal Positions before Childbirth are mentioned below.

A fetus keeps on shifting its position inside the mother’s womb and just before the time of delivery, it usually aligns in a position with it’s head down and facing the mother’s back. This ideal position is known as Cephalic Presentation and it is the most natural position for childbirth which your doctor constantly monitors with ultrasound guidance during the last month of the pregnancy. Your baby will automatically move towards the birth canal and prepare for the descent. Most babies settle down in their position within the 32 nd – 36 th week of pregnancy.

The other common positions for Childbirth are:

Some fetal positions can be difficult to handle by your doctor and midwives during the labor period. While most of them could be handled comfortably by an experienced group of doctors and assistants, some fetal positions could prove to be fatal for both the mother and the baby. Your doctor might resort to a Cesarean delivery too in such cases.

Sometimes the baby is positioned head down but facing the abdomen, looks as if it is facing the ceiling. This is called Cephalic posterior position. It may result in painful and prolonged labor period and delivery.

Also read Lower back pain during pregnancy - how to deal with it

In this presentation the baby’s buttocks are positioned in the pelvis. The hips are flexed, the knees extended and legs straight up in front of her body and feet near the head. This increases the chance of the umbilical cord forming the loop over the baby’s head and entering the birth canal before the head enters. This can cause injury to the baby if delivered vaginally.

In this presentation, the buttocks are aimed towards the cervix; both the knees and hips are flexed. The legs are curled up and folded close to the knees and feet near the buttocks. The impact would be that the umbilical cord might coil up and form a loop over the baby’s head; thereby trying to push through the cervix even before the baby’s head. Thereby,  posing a threat to the baby’s safe delivery.

In this position, the baby lies in the crosswise position making it a high probability for the shoulder entering the pelvis first.  Your health care provider might consider the option of C – section delivery to ensure the safety of both the mother and the baby.

This presentation of the fetus is considered to be quite dangerous as the baby’s one or both the feet are facing towards the cervix; thus will be shown first during delivery. The underlying risk factor is that the umbilical cord strangulates the baby and blood supply is cut off; so your doctor would never opt for a normal vaginal delivery in this case.

While we have understood the different presentations of the fetus before childbirth; it is also necessary for us to realize that the special shape of the uterus and the natural tendency of the fetus is to fall into the cephalic presentation on it’s own. It might take it’s own sweet time – usually between 32 nd – 36 th week of pregnancy. So you mums out there, there is no cause to worry as in many of the cases the  baby settles down into the head down position just before the birth process starts.

However, in cephalic presentation too the baby may lie in various positions, like the baby’s face, or the brow coming out first. This is an extremely dangerous probability; and might pose a life threat to both the mother and the baby. That is the reason why your doctor continuously monitors your pregnancy during the last month; to ensure the safe delivery of your baby and ensure your safety too.

What is External Cephalic Version (ECV)?

During the last stages of pregnancy, if your doctor discovers, through physical and ultrasound guidance, that the baby is not settled as yet in the head- down position, then external intervention might become essential. A breech baby could be turned around from the buttocks or feet first position to the head first position. This is called external cephalic presentation. The doctor will apply gentle force on your abdomen and turn the baby gently into the head – down position. This technique requires a lot of experience and under proper monitoring.

First time mums Vs Second time mums

Statistics say that a lot depends on whether this is your first time pregnancy or second. If you are a first time mum, then normally your baby will settle down into the cervix during the 32 nd – 37 th weeks of pregnancy. If your baby does not settle by then, then the chances of him/her settling later than that are highly unlikely.  Whereas, for the second time mums the baby might settle down even during the last minute. This is because the second time mums have already undergone pregnancy/pregnancies before. Due to which their uterus and tummy muscles have become weak; thus giving leverage to the child to take her/his own time to settle down into the head – down position. One more point to be noted is that ECV is generally successful in cases of second time mums when compared to the new mothers.

Statistics show that about 95-96% of the babies settle down into the ideal position, around 3% of them get into breech position.

On an average, the percentage of single babies in breech position is:

• Between 22 and 30, before 28 weeks
• About 20 at 28 weeks
• Around 15 to 18 by 32 weeks
• About 9 by 32 weeks
• 3-4 by 37 weeks, as most babies turn around naturally in the head down position by this time.

With advancements in technology and the expertise available; birth process is become lesser painful and more safer and smoother.

Disclaimer: The information provided above is based on the findings of experts in the related field. However, in every circumstance we advice you to take guidance and help of your doctor as there is no best substitute for professional medical help. Wishing you a safe delivery! Hope you now all that you need to about Cephalic Presentation Of The Baby - Best Position For Normal Delivery.

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Kanchan is a doting mom to two angels and is passionate about writing. With over 3 years of experience in the content space, she strives to push boundaries and balance her personal & professional life well.

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Happy to know about the positions and presentations of the baby in a pregnant woman . When i conceived, i came to know that the baby was in breech presentation in 34 th week and later in 39th week he came to cephalic presentation.. though he is in a good presentation which enables a normal delivery . But mine was end up with a Cessarian as there is some dispropation in the cephalo -pelvic diameter.. Now I'm expecting and wish to be a VBAC. Thanks for the detailed explaination..

Hi Tincy, thanks a ton for sharing your experience. Every person reading this comment has an additional takeaway from this blog! :) Wishing you child great health!

I didn't know the term Cephalic Presentation earlier. But I was aware of the ideal position for normal delivery. Thanks alot.

Thanks mam.. I really liked your article.. Thanks for telling us how the normal delivery can be favoured. How to deal with Lower back pain & leg pain during pregnancy 🤰.. Nice Mam🙏🏼🙏🏼

This is a wonderful article. Am glad I came to know about all these . And that’s really true what you said, birth process is becoming more simple and easy

Thank you for writing this informative post. I’m sure it will be very helpful to expecting parents. I will share it ahead in the hope that it will help someone who needs this information.

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What Is Cephalic Position?

The ideal fetal position for labor and delivery

• Why It's Best

Risks of Other Positions

• Determining Position
• Turning a Fetus

The cephalic position is when a fetus is head down when it is ready to enter the birth canal. This is one of a few variations of how a fetus can rest in the womb and is considered the ideal one for labor and delivery.

About 96% of babies are born in the cephalic position. Most settle into it between the 32nd and 36th weeks of pregnancy . Your healthcare provider will monitor the fetus's position during the last weeks of gestation to ensure this has happened by week 36.

If the fetus is not in the cephalic position at that point, the provider may try to turn it. If this doesn't work, some—but not all—practitioners will attempt to deliver vaginally, while others will recommend a Cesarean (C-section).

Getty Images

Why Is the Cephalic Position Best?

During labor, contractions dilate the cervix so the fetus has adequate room to come through the birth canal. The cephalic position is the easiest and safest way for the baby to pass through the birth canal.

If the fetus is in a noncephalic position, delivery becomes more challenging. Different fetal positions have a range of difficulties and varying risks.

A small percentage of babies present in noncephalic positions. This can pose risks both to the fetus and the mother, and make labor and delivery more challenging. It can also influence the way in which someone can deliver.

A fetus may actually find itself in any of these positions throughout pregnancy, as the move about the uterus. But as they grow, there will be less room to tumble around and they will settle into a final position.

It is at this point that noncephalic positions can pose significant risks.

Cephalic Posterior

A fetus may also present in an occiput or cephalic posterior position. This means they are positioned head down, but they are facing the abdomen instead of the back.

This position is also nicknamed "sunny-side up."

Presenting this way increases the chance of a painful and prolonged delivery.

There are three different types of breech fetal positioning:

• Frank breech: The legs are up with the feet near the head.
• Footling breech: One or both legs is lowered over the cervix.
• Complete breech: The fetus is bottom-first with knees bent.

A vaginal delivery is most times a safe way to deliver. But with breech positions, a vaginal delivery can be complicated.

When a baby is born in the breech position, the largest part—its head—is delivered last. This can result in them getting stuck in the birth canal (entrapped). This can cause injury or death.

The umbilical cord may also be damaged or slide down into the mouth of the womb, which can reduce or cut off the baby's oxygen supply.

Some providers are still comfortable performing a vaginal birth as long as the fetus is doing well. But breech is always a riskier delivery position compared with the cephalic position, and most cases require a C-section.

Likelihood of a Breech Baby

You are more likely to have a breech baby if you:

• Go into early labor before you're full term
• Have an abnormally shaped uterus, fibroids , or too much amniotic fluid
• Are pregnant with multiples
• Have placenta previa (when the placenta covers the cervix)

Transverse Lie

In transverse lie position, the fetus is presenting sideways across the uterus rather than vertically. They may be:

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

If a transverse lie is not corrected before labor, a C-section will be required. This is typically the case.

Determining Fetal Position

Your healthcare provider can determine if your baby is in cephalic presentation by performing a physical exam and ultrasound.

In the final weeks of pregnancy, your healthcare provider will feel your lower abdomen with their hands to assess the positioning of the baby. This includes where the head, back, and buttocks lie

If your healthcare provider senses that the fetus is in a breech position, they can use ultrasound to confirm their suspicion.

Turning a Fetus So They Are in Cephalic Position

External cephalic version (ECV) is a common, noninvasive procedure to turn a breech baby into cephalic position while it's still in the uterus.

This is only considered if a healthcare provider monitors presentation progress in the last trimester and notices that a fetus is maintaining a noncephalic position as your delivery date approaches.

External Cephalic Version (ECV)

ECV involves the healthcare provider applying pressure to your stomach to turn the fetus from the outside. They will attempt to rotate the head forward or backward and lift the buttocks in an upward position. Sometimes, they use ultrasound to help guide the process.

The best time to perform ECV is about 37 weeks of pregnancy. Afterward, the fetal heart rate will be monitored to make sure it’s within normal levels. You should be able to go home after having ECV done.

ECV has a 50% to 60% success rate. However, even if it does work, there is still a chance the fetus will return to the breech position before birth.

Natural Methods For Turning a Fetus

There are also natural methods that can help turn a fetus into cephalic position. There is no medical research that confirms their efficacy, however.

• Changing your position: Sometimes a fetus will move when you get into certain positions. Two specific movements that your provider may recommend include: Getting on your hands and knees and gently rocking back and forth. Another you could try is pushing your hips up in the air while laying on your back with your knees bent and feet flat on the floor (bridge pose).
• Playing stimulating sounds: Fetuses gravitate to sound. You may be successful at luring a fetus out of breech position by playing music or a recording of your voice near your lower abdomen.
• Chiropractic care: A chiropractor can try the Webster technique. This is a specific chiropractic analysis and adjustment which enables chiropractors to establish balance in the pregnant person's pelvis and reduce undue stress to the uterus and supporting ligaments.
• Acupuncture: This is a considerably safe way someone can try to turn a fetus. Some practitioners incorporate moxibustion—the burning of dried mugwort on certain areas of the body—because they believe it will enhance the chances of success.

A Word From Verywell

While most babies are born in cephalic position at delivery, this is not always the case. And while some fetuses can be turned, others may be more stubborn.

This may affect your labor and delivery wishes. Try to remember that having a healthy baby, and staying well yourself, are your ultimate priorities. That may mean diverting from your best laid plans.

Speaking to your healthcare provider about turning options and the safest route of delivery may help you adjust to this twist and feel better about how you will move ahead.

Glezerman M. Planned vaginal breech delivery: current status and the need to reconsider . Expert Rev Obstet Gynecol. 2012;7(2):159-166. doi:10.1586/eog.12.2

Cleveland Clinic. Fetal positions for birth .

MedlinePlus. Breech birth .

UT Southwestern Medical Center. Can you turn a breech baby around?

The American College of Obstetricians and Gynecologists. If your baby is breech .

Roecker CB. Breech repositioning unresponsive to Webster technique: coexistence of oligohydramnios .  Journal of Chiropractic Medicine . 2013;12(2):74-78. doi:10.1016/j.jcm.2013.06.003

By Cherie Berkley, MS Berkley is a journalist with a certification in global health from Johns Hopkins University and a master's degree in journalism.

In this Article

The ABCs of Cephalic Presentation: A Comprehensive Guide for Moms-to-Be

Updated on 24 November 2023

As expectant mothers eagerly anticipate the arrival of their little ones, understanding the intricacies of pregnancy becomes crucial. One term that frequently arises in discussions about childbirth is "cephalic presentation." In this article, we will understand its meaning, types, benefits associated with it, the likelihood of normal delivery and address common concerns expectant mothers might have.

What is the meaning of cephalic presentation in pregnancy?

Cephalic presentation means the baby's head is positioned down towards the birth canal, which is the ideal fetal position for childbirth. This position is considered optimal for a smoother and safer delivery. In medical terms, a baby in cephalic presentation is said to be in a "vertex" position.

The majority of babies naturally assume a cephalic presentation before birth. Other presentations, such as breech presentation (where the baby's buttocks or feet are positioned to enter the birth canal first) or transverse presentation (where the baby is lying sideways), may complicate the delivery process and may require medical intervention.

Cephalic presentation types

There are different types of cephalic presentation, each influencing the birthing process. The primary types include:

1. Vertex Presentation

The most common type where the baby's head is down, facing the mother's spine.

2. Brow Presentation

The baby's head is slightly extended, and the forehead presents first.

3. Face Presentation

The baby is positioned headfirst, but the face is the presenting part instead of the crown of the head.

Understanding these variations is essential for expectant mothers and healthcare providers to navigate potential challenges during labor.

You may also like: How to Get Baby in Right Position for Birth?

What are the benefits of cephalic presentation?

In order to understand whether cephalic presentation is good or bad, let’s take a look at its key advantages:

1. Easier Engagement

This presentation facilitates the baby's engagement in the pelvis, aiding in a smoother descent during labor.

2. Reduced Risk of Complications

Babies in head-first position typically experience fewer complications during delivery compared to other presentations.

3. Faster Labor Progression

This position is associated with quicker labor progression, leading to a potentially shorter and less stressful birthing process.

4. Lower Cesarean Section Rates

The chances of a cesarean section are significantly reduced when the baby is in cephalic presentation in pregnancy.

5. Optimal Fetal Oxygenation

The head-first position allows for optimal oxygenation of the baby as the head can easily pass through the birth canal, promoting a healthy start to life.

What are the chances of normal delivery in cephalic presentation?

The chances of a normal delivery are significantly higher when the baby is in cephalic or head-first presentation. Vaginal births are the natural outcome when the baby's head leads the way, aligning with the natural mechanics of childbirth.

While this presentation increases the chances of a normal delivery, it's important to note that individual factors, such as the mother's pelvic shape, the size of the baby, and the progress of labor, can also influence the delivery process. Sometimes complications may arise during labor and medical interventions or a cesarean section may be necessary.

You may also like: Normal Delivery Tips: An Expecting Mother's Guide to a Smooth Childbirth Experience

How to achieve cephalic presentation in pregnancy?

While fetal positioning is largely influenced by genetic and environmental factors, there are strategies to encourage head-first fetal position:

1. Regular Exercise

Engaging in exercises such as pelvic tilts and knee-chest exercises may help promote optimal fetal positioning.

2. Correct Posture

Maintaining good posture, particularly during the third trimester , can influence fetal positioning.

3. Hands and Knees Position

Spend some time on your hands and knees. This position may help the baby settle into the pelvis with the head down.

4. Forward-leaning Inversion

Under the guidance of a qualified professional, some women try forward-leaning inversions to encourage the baby to move into a head-down position. This involves positioning the body with the hips higher than the head.

5. Prenatal Yoga

Prenatal yoga focuses on strengthening the pelvic floor and promoting flexibility, potentially aiding in cephalic presentation.

6. Professional Guidance

Seeking guidance from a healthcare provider or a certified doula can provide personalized advice tailored to individual needs.

1. Cephalic presentation is good or bad?

Cephalic position is generally considered good as it aligns with the natural process of childbirth. It reduces the likelihood of complications and increases the chances of a successful vaginal delivery . However, it's essential to note that the overall health of both the mother and baby determines its appropriateness.

2. How to increase the chances of normal delivery in cephalic presentation?

Increasing the chances of normal delivery in cephalic presentation involves adopting healthy practices during pregnancy, such as maintaining good posture, engaging in appropriate exercises, and seeking professional guidance. However, individual circumstances vary, and consultation with a healthcare provider is paramount.

Final Thoughts

Navigating the journey of pregnancy involves understanding various aspects, and cephalic presentation plays a crucial role in determining the birthing experience. The benefits of a head-first position, coupled with strategies to encourage it, empower expectant mothers to actively participate in promoting optimal fetal positioning. As always, consulting with healthcare professionals ensures personalized care and guidance, fostering a positive and informed approach towards childbirth.

1. Makajeva J, Ashraf M. Delivery, Face and Brow Presentation. (2023). In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing

2. Boos R, Hendrik HJ, Schmidt W. (1987). Das fetale Lageverhalten in der zweiten Schwangerschaftshälfte bei Geburten aus Beckenendlage und Schädellage [Behavior of fetal position in the 2d half of pregnancy in labor with breech and vertex presentations]. Geburtshilfe Frauenheilkd

Anupama Chadha

Anupama Chadha, born and raised in Delhi is a content writer who has written extensively for industries such as HR, Healthcare, Finance, Retail and Tech.

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• Pregnancy week by week
• 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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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 interprofessional team's role in safely managing delivery for both the mother and the baby.

• Identify the mechanism of labor in the face and brow presentation.
• Differentiate potential maternal and fetal complications during the face and brow presentations.
• Evaluate different management approaches for the face and brow presentation.
• 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 is an abnormal form of cephalic presentation where the presenting part is the 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, and black race. Fetal risk factors include anencephaly, multiple loops of cord around the neck, masses of the neck, macrosomia, and polyhydramnios. [2] [4] [5]  These malpresentations are usually diagnosed during the second stage of labor when performing a digital examination. Palpating orbital ridges, nose, malar eminences, mentum, mouth, gums, and chin in face presentation is possible. Based on the position of the chin, face presentation can be further divided into mentum anterior, posterior, or transverse. In brow presentation, the 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]  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 predictive value for the outcome of 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 3 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 2 obliques. Furthermore, based on the landmarks on the pelvic inlet, there are 3 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 3 diameters is obstetrical conjugate, which measures approximately 10.5 cm and is the 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 13.5 cm 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 6 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 diameter presented in the 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 11.5 cm
• Submento-bregmatic: from the center of the bregma to the angle of the mandible, measuring 9.5 cm. This is the diameter in the face presentation where the neck is hyperextended. 
• Submento-vertical: from the midpoint between fontanelles and the angle of the mandible, measuring 11.5 cm 
• 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 key movements are impossible in the face or brow presentations. Based on the information provided above, it is obvious that labor be arrested in brow presentation unless it spontaneously changes to the 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 are 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]  External transducer devices are advised to prevent damage to the eyes. When internal monitoring is inevitable, monitoring devices on bony parts should be placed carefully. 

Consultations that are typically requested for patients with delivery of face/brow presentation include the following:

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

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

• Technique or Treatment

Mechanism of Labor in Face Presentation

During contractions, the pressure exerted by the fundus of the uterus on the fetus and the pressure of the 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.

The pubis is described as mentum-anterior when the fetal chin is rotated towards the maternal symphysis. In these cases, further descent through the vaginal canal continues, with approximately 73% of cases delivering spontaneously. [9]  The 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 occur. 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, some complications are still 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 fetal 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 9.5 cm. With face and brow presentation, the neck hyperextends, resulting in greater cephalic diameters. As a result, the fetal head engages later, and labor progresses more slowly. Failure to progress in labor is also more common in both presentations compared to the 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, descending 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 or manual or forceps rotation to mentum anterior are considered dangerous and 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. 2024] Review Sonographic evaluation of the fetal head position and attitude during labor. Ghi T, Dall'Asta A. Am J Obstet Gynecol. 2024 Mar; 230(3S):S890-S900. Epub 2023 May 19.
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Chapter 27:  Compound Presentations

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Prolapse of hand and arm or foot and leg.

• MANAGEMENT OF COMPOUND PRESENTATIONS
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A presentation is compound when there is prolapse of one or more of the limbs along with the head or the breech, both entering the pelvis at the same time. Footling breech or shoulder presentations are not included in this group. Associated prolapse of the umbilical cord occurs in 15 to 20 percent of cases.

Easily detectable compound presentations occur probably once in 500 to 1000 confinements. It is impossible to establish the exact incidence because:

Spontaneous correction occurs frequently, and examination late in labor cannot provide the diagnosis

Minor degrees of prolapse are detected only by early and careful vaginal examination

Classification of Compound Presentation

Upper limb (arm–hand), one or both

Lower limb (leg–foot), one or both

Arm and leg together

Breech presentation with prolapse of the hand or arm

By far the most frequent combination is that of the head with the hand ( Fig. 27-1 ) or arm. In contrast, the head–foot and breech–arm groups are uncommon, about equally so. Prolapse of both hand and foot alongside the head is rare. All combinations may be complicated by prolapse of the umbilical cord, which then becomes the major problem.

FIGURE 27-1.

Compound presentation: head and hand.

The etiology of compound presentation includes all conditions that prevent complete filling and occlusion of the pelvic inlet by the presenting part. The most common causal factor is prematurity. Others include high presenting part with ruptured membranes, polyhydramnios, multiparity, a contracted pelvis, pelvic masses, and twins. It is also more common with inductions of labor involving floating presenting parts. Another predisposing factor is external cephalic version. During the process of external version, a fetal limb (commonly the hand–arm, but occasionally the foot) can become “trapped” before the fetal head and thus become the presenting part when labor ensues.

Diagnosis is made by vaginal examination, and in many cases, the condition is not noted until labor is well advanced and the cervix is fully dilated.

The condition is suspected when:

There is delay of progress in the active phase of labor

Engagement fails to occur

The fetal head remains high and deviated from the midline during labor, especially after the membranes rupture

In the absence of complications and with conservative management, the results should be no worse than with other presentations.

Mechanism of Labor

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