Posterior Placenta Position When You are Pregnant

posterior placenta pictures

When a woman is pregnant, an organ called the placenta provides nutrients and oxygen from the blood of the mother to the blood of the baby. The placenta covers a wide area and is linked to the uterus of the mother. The umbilical cord links the placenta to the baby.

The front area of the uterus is thought about the anterior; the rear end is the posterior; the fundal is the top wall; and the sides of the uterus are the right and left laterals. It does not matter which area of the uterus the placenta locates itself, however if the lower part is too far down it can make it tough for the baby’s go to descend when it is time for the birth. Having a posterior placenta means that it can cause the mom to experience extreme bleeding while pregnant as well as while giving birth.

What Is Posterior Placenta?

When the placenta of a mom attaches itself to her uterus on the back wall, it is considered a posterior placenta. This area of the uterus is right near the spine of the mother. When the egg is fed, it remains close to that area of the uterus and grows from there. The “posterior” represents the back and the “anterior” implies the front.

What the posterior placenta implies is the uterus positions itself amongst the pelvic bones of the mom. As the baby starts to grow, so does the uterus. The placenta connects itself to the uterine wall. When it attaches to the posterior, it is considered a posterior placenta.

Pregnancy: Posterior Placenta Position

Both an anterior and a posterior placenta are typical for both the baby and the mother. When it is in the vertical location of the uterus, this makes it a placenta posterior. When the placenta is on the back wall to the upper portion of the uterus, it is thought about the placenta posterior fundal, according to This is considered the best location for the baby to be in as it enables the baby to move into the anterior posterior placenta position during pregnancy prior to it is born. While it faces its mom’s spinal column, the crown of the baby’s head has the ability to make its way to the birth canal.

How Does the Placental Position Change?

When a lady is pregnant, an ultrasound is carried out to discover precisely where the placenta is and what its area to the cervix is. It is normal for the placenta to change throughout the pregnancy. Midway through the pregnancy, the placenta uses up 50 % of the space on the surface area of the uterus. At the 40 week mark, the placenta only takes up from 17 to 25 % of the surface area of the uterus. It’s not that the placenta is diminishing; it’s that it grows more at various times of the pregnancy.

By the third part of the pregnancy, the head of the baby begins to prepare for labor by descending down to the pelvic area. The lower part of the uterus starts to thin out from the pressure that the baby’s head is placing on it. This is when the placental accessory looks like it is beginning to increase.

When to Worry About Placental Position

When the placenta grows in the direction of the cervix, it is called placenta previa and it could be a cause for concern. The placenta has a possibility of detaching itself from the unstable portion of the cervix to the lower part of the uterus. This could trigger premature labor and complications as an outcome of heavy bleeding.

Normally there is absolutely nothing to stress over if a scan that is taken in the beginning of your pregnancy figures out that your placenta is located at the bottom of your uterus. The placenta will be moving up-wards as the pregnancy advances.

Later on in the pregnancy this position of the placenta could cause problems. Placenta previa indicates that the cervix has actually become obstructed and the baby may not have the ability to be born vaginally. Placental abruption occurs when the uterine wall is stretched towards the 2nd half of the pregnancy leading to extreme bleeding. It is necessary to watch on the area of the placenta throughout the pregnancy to identify if the mother will be able to deliver her baby vaginally or if she will need a Caesarian section.

Last Update - September 25, 2017


The Author

Reyus Mammadli

As a healthy lifestyle advisor I try to guide individuals in becoming more aware of living well and healthy through a series of proactive and preventive measures, disease prevention steps, recovery after illness or medical procedures. Education: Bachelor Degree of Medical Equipment and Electronics.

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