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 ...

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.

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 ...

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 ...