The placenta has long been thought to produce serotonin during pregnancy. But in a new study, Yale researchers shatter the deep-rooted hypothesis — and show that the placenta doesn’t produce serotonin ...

Placenta accreta is a pregnancy complication. It occurs when the placenta implants into scar tissue instead of healthy tissue in your uterine lining. Placenta accreta is most common in people who have ...

Circumvallate placenta is an abnormality in the shape of the placenta. It can result in a lack of nutrients for the fetus. In circumvallate placenta, the chorionic plate, which is the part of the ...

The placenta is a pancake-shaped organ that develops within the wall of your uterus and connects to your baby though the umbilical cord. By the end of pregnancy, it grows to be about 9 inches in ...

The placenta is a temporary organ that grows during pregnancy to filter oxygen, blood, and nutrients to your baby. After you give birth, you will also deliver your placenta shortly after. Sometimes ...

The placenta grows and changes shape throughout your pregnancy. Any vaginal bleeding, abdominal pain, or back pain may indicate a more serious issue that your doctor needs to address. Share on ...

Your stress may be at an all-time high when you hear that you have a low-lying placenta. In the sea of problems related to pregnancy, this term can once again leave you wondering about its meaning.

During pregnancy, the placenta secretes hormones that increase insulin resistance, which may cause gestational diabetes (GD). Left untreated, diabetes can damage the placenta. GD begins in the ...