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 ...

Sixty percent of miscarriages are caused by the failure of an embryo—the developmental stage before a fetus—to implant in the woman’s uterus. Part of the problem is that researchers have no idea how ...

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," ...

Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary ...

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 ...

Human reproduction is influenced by a complex interplay of biology, genetics, and socioeconomic factors. Over the past few decades, substantial changes have occurred in reproductive trends across high ...

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 ...

A female grey seal tending to her pup on the beaches of Sable Island, Nova Scotia. Gray seals only nurse their pups for 15-20 days before the female leaves and the pup must learn to forage on its own.

Scientists recorded in 3D and in real time the exact moment a human embryo implanted itself in an artificial uterus, opening new avenues for treating infertility.

Please provide your email address to receive an email when new articles are posted on . Use of medically assisted reproduction increased by 20% from 2020 to 2021. Use of one embryo per transfer for ...