Medically reviewed by Andrea L. Braden, MD Key Takeaways The female reproductive system includes organs that produce hormones ...

The following outlines aspects of the female reproductive system, including the internal and external organs, the menstrual cycle, the egg, and reproductive hormones. The menstrual cycle is a monthly ...

The rete ovarii, a poorly understood structure connected to the ovaries, may be much more essential to ovarian function than scientists initially thought. When you purchase through links on our site, ...

Exactly how humans grow from a single cell in the womb is shrouded in mystery. To uncover the secrets, scientists need to watch human embryos as they develop, but these are hard to come by for ...

It’s not just about chromosomes. Or reproductive cells. Or any other binary metric. Many genetic, environmental and developmental variations can produce what are thought of as masculine and feminine ...

In 2017, Ashley Moffett, a reproductive immunologist, walked to the pharmacy near her laboratory at the University of Cambridge, UK, to buy a pregnancy test. But it wasn’t for Moffett. Her postdoc, ...

Scientists have uncovered the genetic underpinnings of one of the ocean's most bizarre animals: a branching marine worm named Ramisyllis kingghidorahi that lives inside sea sponges and reproduces in a ...