To believe in the sanctity of life is to deny biomedical fact. Human reproduction is fundamentally flawed and grossly inefficient. Conceptional life is generally unsustainable, living on borrowed time ...

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 ...

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," ...

Review the male and female human reproductive systems with students and examine how the systems function. As students watch, have them take notes on which systems and body parts develop in each phase ...

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 — the tiny and pervasive fragments now found in our seas, drinking water, food and, increasingly, living tissue — in human semen and follicular fluid, according ...

In the quest to study human reproduction, scientists have built a rudimentary model of the female system in the lab. Every 28 days, the 'ovary', cultured on a small plastic chip, releases an egg and ...