For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...

In 2016, two Japanese reproductive biologists, Katsuhiko Hayashi and Mitinori Saitou, made an announcement in the journal Nature that read like a science-fiction novel. The researchers had taken skin ...

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," ...

The seat of human life, a reproductive system that includes the uterus, ovaries, cervix, vagina and vulva, is often shrouded in mystery, subjected to regulation, or seen as an anchor for social and ...

(RNS) — Scientists have created a human embryo without the use of sperm or an egg — a true test-tube baby. Such embryos cannot (yet) develop into full-grown human beings. Even if transplanted into a ...

Scientists have identified microplastics in over two-thirds of ovarian follicular fluid and more than half of semen samples, suggesting widespread internal exposure. The findings spotlight a growing ...