Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into collagen designed to mimic uterine tissue —a key stage in reproduction. The ...

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 ...

If humanity’s future really is in the stars, what will that mean when it comes to, well, making more humans? As a number of experts have pointed out, venturing into space also means exposing people to ...

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," ...

(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 ...

FILE - In this Aug. 14, 2013, file photo, an in vitro fertilization embryologist works on a petri dish at a fertility clinic in London. Tens of thousands of people undergo in vitro fertilization every ...

Saving reproductive tissue from kids treated for cancer before adolescence could give them a chance at having biological children later in life.

A team of researchers has found microplastics in all 40 semen samples they examined from healthy men, highlighting the urgent need to study how these tiny particles could affect human reproduction. In ...

For the first time, scientists have found microplastics in human penises — showing once again that they've spread absolutely everywhere, and further highlighting the need to study their potential ...

Copenhagen, Denmark: More than three months after suffering from mild COVID infection, men have lower sperm concentrations and fewer sperm that are able to swim, according to new findings presented ...

It’s time to talk about the birds, the bees and the PTFEs. They’re already in our lungs, livers, kidneys, blood and even our brains. New research out Tuesday in the journal Human Reproduction reveals ...