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 ...

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 ...

A study based on a review of genetic and health information from more than 276,000 people finds strong support for a decades-old evolutionary theory that sought to explain aging and senescence. A ...

New research presented at the 41st Annual Meeting of the European Society of Human Reproduction and Embryology (ESHRE) reveals the presence of microplastics in human reproductive fluids, raising ...

Microglia (immune cells) and the RANK protein are essential for triggering puberty and maintaining fertility in the brain.

Reproduction involves making quality gametes – egg and sperm – which are essential for species continuity and therefore have huge implications for human health. The quality of the gametes is not only ...