Scientists are making inroads in understanding one of the central mysteries of human reproduction: Why do women’s eggs deteriorate as they age? The broad strokes have been well-known - the ticking of ...

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," ...

Declining female fertility is a health issue that has received broad global attention. Oocyte quality is the key limiting factor of female fertility, and factors affecting oocyte quality involve the ...

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 ...

The female reproductive organs include several key structures, such as the ovaries, uterus, vagina, and vulva. These organs function in fertility, conception, pregnancy, and childbirth. The ...

Wild animals that have acquired adaptions to maximize their reproductive output in some of the world's most extreme conditions may provide answers to some of the most pressing problems in the field of ...

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 ...