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 ...

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 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 ...

Pregnancy can be exciting, but worrying at the same time when you are diagnosed with a condition. It can be nothing severe, but you may still feel concerned. A low-lying placenta is diagnosed during a ...