Medically reviewed by Geetika Gupta, MDMedically reviewed by Geetika Gupta, MD The testes, or testicles, are two egg-shaped sex organs that play an important role in the male reproductive system.

President Trump issued an executive order declaring that the U.S. government would only recognize a person’s sex assigned at ...

While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these ...

In certain private schools, sex education is provided in fourth grade. The lessons are timed to coincide with mass circumcision for the boys, which the schools sponsor for free. The event gives ...