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

The number of practitioners has dramatically risen in Britain, but it's no longer as lucrative a field as you might expect ...

When former Oregon Republican Sen. Bob Packwood died earlier this month, the newspaper obituaries described him as a ...

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 ...

Objective Hydroxychloroquine (HCQ) is a cornerstone therapy for SLE, reducing flares, organ damage and mortality. However, ...

Summary: Researchers unmasked a hidden metabolic mechanism that explains why advanced maternal age (AMA) impairs female fertility and reduces the success rates of assisted reproductive technology (ART ...

Have you ever puzzled over the meaning of a particular wildlife word or phrase? Then puzzle no more! From the 'Fraser Darling effect' to the 'K-T Boundary', our glossary provides the explanation – in ...

Family planning and health organizations that serve tens of thousands of people across Pennsylvania could see federal funding delayed or denied by a new Trump administration policy, a new lawsuit ...

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

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

This short film introduces the topic of reproduction and that babies start from an egg and sperm. This series of short films ...