Medical News Today: What causes dark nipples?

A person's nipples can change color at different times in their life. There are many different reasons why this might happen, most of which are harmless, hormone-related, and linked to pregnancy or menstruation. This article explains more about these causes of dark nipples, plus when someone might need to see a doctor.

from Featured Health News from Medical News Today https://ift.tt/2IqvNEK