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 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 ...

When Mana Parast was a medical resident in 2003, she had an experience that would change the course of her entire career: her first fetal autopsy. The autopsy, which pushed Parast to pursue perinatal ...

Graphic content: this article includes a photo of a placenta after birth. It all began when model and actress Sophie Sumner shared a TikTok video in which she spoke about her friend who’s pregnant.