As males age their reproductive success typically declines. A study in fruit flies, led by University of Oxford researchers has found that while old males do produce fewer offspring than young males, ...

Scientists have detected microplastics in human semen and follicular fluid, the liquid that surrounds an egg in an ovarian follicle. "This is not an isolated finding –– it appears to be quite common," ...

Semen is a fluid that carries sperm, or male reproductive cells, out of the body during ejaculation. The average amount of ...

Imagine itching, burning, swelling, or even struggling to breathe just moments after sex. For a small but growing number of women, that's not an awkward anecdote—it's a medical condition. It's called ...

For a small but suffering contingent of women, an allergy to semen is seriously interfering with intimacy. A semen allergy, also known as seminal plasma hypersensitivity (SPH), is a rare reaction to ...

PORTAGE, Ind. — A man is accused of possibly squirting bodily fluid from a syringe onto a woman shopping at a Walmart in Northwest Indiana. On the afternoon of Aug. 14, Portage police responded to a ...