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 ...

We can quickly dismiss the claim that copulation during pregnancy is unique to humans. It is easy to understand how this myth originated. Copulation after conception seemingly serves no useful ...

Recently, scientists have reviewed the existing literature to understand how space travel, space radiation, and microgravity affect human reproductive functions. This review was published in Npj ...

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 ...

Human reproduction is influenced by a complex interplay of biology, genetics, and socioeconomic factors. Over the past few ...

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," ...

A human embryo embeds itself into a fake uterus created by researchers. Screenshot from an Institute for Bioengineering of Catalonia video Sixty percent of miscarriages are caused by the failure of an ...

A time-lapse film offers a glimpse of a hidden milestone of human development: the moment when the newly formed embryo latches onto the uterine lining. Researchers have captured real-time footage of ...

(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 ...