Sexual reproduction keeps many species alive. In humans, male and female reproductive systems look very different, though. The female reproductive system has many unique parts, including the ovaries, ...

For anyone who menstruates, this is a routine question during any visit to your doctor. Health care providers generally ask this to determine whether their patient is concerned about a menstrual ...

Each menstrual cycle, the uterus sheds its lining, rebuilds it, and prepares again for a possible pregnancy. Guided by ...