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

New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and signals that drive this process. The findings offer important insights into ...

For most women, the body begins to change dramatically in their 40s or 50s. This transition, known as menopause, is defined ...

Early in fetal development, a mass of cells known as the bipotential gonad has the possibility of giving rise either to ovaries or testes, reproductive organs that contribute to many of the ...

The cervix connects the vagina to the uterus. It plays a major role in the menstrual cycle, fertility, pregnancy, and childbirth. Various health conditions, such as cervical polyps, can affect the ...

Successful reproduction presents a fundamental evolutionary paradox: the immune system must tolerate genetically foreign sperm and embryos while maintaining ...