Baby's positions before delivery and meaning of each of them

Baby's positions before delivery and meaning of each of them

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Where is my baby placed? This is usually one of the most common doubts and concerns of pregnant women at the end of the weeks of gestation or when delivery is approaching. The position of the baby and if it will be well fitted in the pelvis are key to knowing if there can be a normal vaginal delivery or not. We tell you how babies position themselves in the weeks leading up to the day of their birth.

By week 36, the baby is usually placed in the position it will have at delivery, although sometimes movements have been detected just 15 minutes before delivery, especially if there is excess amniotic fluid (although it is not usual).

The pregnant woman can notice it because she will feel more pressure on the pelvic area, have discomfort when walking and even some cramps. As a consequence of this pressure, the urge to urinate will be continuous, but in turn, as the baby has been placed, the mother will be able to 'breathe' better again because the little one will not be so close to the ribs and diaphragm.

It is the most common posture, in fact 95% of babies have it. This position means you are down with your chin close to your chin and your legs bent. There are two types of cephalic postures:

- The previous one, in which the baby's back is close to the mother's belly.

- The posterior, in which his spine is attached to that of the mother The latter can cause a slower labor.

The reasons for him to adopt one or another position could be related to a longer rest time of the mother. That is, if it has been in bed for a long time, and is that the lack of movement can cause the baby to position itself in the posterior cephalic, but there is no scientific basis to support it.

In these positions the first thing that would appear would be the face or forehead. Both may be caused by excess stress on the mother. It may happen that if the mother is very nervous, there is a normal alteration of serotonin.

The neuropetids originate a state of contraction, they pass to the placenta and give rise to a contracture in the baby. This posture would be incompatible with a vaginal delivery because you could not turn your head to exit normally.

In this position the baby is with the head up and the buttocks down. This position is usually associated with a cesarean delivery, especially if the mother is new. But there could also be a vaginal delivery, in which the doctor would do a series of maneuvers at the end if there were difficulties getting out. If the placenta is located obstructing the cervical canal, a vaginal delivery could not occur either.

The reasons why it seems that a baby could adopt this position is when there has been a tendency to lie down for a long time or also because there is some impediment for the head to dock in the pelvis. These could be the appearance of a fibroid in the uterus, which is pressing, or because the placenta is located in the lower segment of the uterus.

The Spanish Society of Gynecology and Obstetrics leaves the door open to the possibility of delivering vaginally, provided that certain conditions are met. The consensus document prepared by expert professionals from Osakidetza, the Basque health service, also establishes that the vaginal route is safe when the established criteria are met.

In this position (not usual, but possible), the baby forms a 90º angle with the axis of the uterus; thus the head is on one side of the mother's womb and the buttocks on the opposite.Baby may turn around even at the last moment and give a vaginal delivery. Of course, this delivery would probably be safe by cesarean section, because when leaving it would break the placenta, and a very large hemorrhage would occur.

The reasons why a baby can adopt this position would be that there is a myoma or that there is a placenta previa, which would prevent the child from approaching the cervical canal, as the outlet is blocked.

(Text: Olga García, Gynecologist at SESMI - Spanish Society of Health and Integrative Medicine).

You can read more articles similar to Baby's positions before delivery and meaning of each of them, in the On-Site Delivery category.

Video: Gynecology: Childbirth - Occiput Posterior Position (February 2023).