Genes associated with male reproductive biology appear to be under relaxed selective constraint in a primate species with low sperm competition.

However, the extension of eligibility and rising demand has meant women in time-sensitive situations can face increasing ...

Dating apps and sex-segregated online communities are intensifying resentment between the genders, while left-wing theorists increasingly adopt family abolition as a rallying cry. Is there a way out ...

Alfred Kinsey grew up in a world where sex education, such as it was, focused on abstention. Masturbation was held to be sinful, a sickness with the power to erode one's physical health and moral ...

Obstetrics and gynecology increasingly intersect with traditional, homeopathic, and alternative medicine as patients seek complementary options across the ...

Dejanae Parkman won the top prize at United Way of Metropolitan Dallas' pitch competition for her app Dotted, which helps ...

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

Female fertility depends on the successful growth and maturation of eggs (oocytes) within ovarian follicles. Within these ...

Female mammals have long thought to be born with all the eggs they would ever have, but new research is challenging that consensus ...

New research shows it’s possible to edit the DNA of human embryos with more precision. But scientists warn it’s still not ...