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

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, ...

A new study has found that slow-swimming sperm are disadvantaged by narrow areas of the female reproductive tract, preventing them from reaching an egg. Less active sperm may never have the chance to ...