When it comes to birth control, the market has long been skewed: female contraception comes in a variety of pills, implants, ...

Contrary to long-standing assumptions, human egg cells stay pristine for decades not by ramping up waste disposal, but by ...

Oocytes are long-lived cells that require specialized adaptations to maintain their fitness. This study shows that human ...

A hormone-free pill, called YCT-529, that temporarily stops sperm production by blocking a vitamin A metabolite has just ...

Human egg cells wait in the ovaries from before birth until they are finally called upon, sometimes 40 years later, to kick ...

Oocyte quality is the key limiting factor of female fertility. However, compared with other species, the research and understanding of human oocyte quality and human reproductive health is limited.

Human eggs are some of the most patient cells in the body, lying dormant for decades until needed. A study published in The ...

Human oocytes can last for up to 50 years—and a newly discovered metabolic pathway is key to this longevity. By Lauren J. Young Published Jul 22, 2022 2:45 PM EDT Get the Popular Science daily ...

Retaining the recipient oocyte genome after human somatic cell nuclear transfer permits development to the blastocyst stage and derivation of triploid human embryonic stem cell lines. In many ...

Primordial germ cells, which emerge around day 16 in early human embryos, develop to form oogonia so that eventually, the number of oocytes that are present in an adult female is fixed at birth.

Human eggs stay dormant for decades by slowing down their waste disposal systems, according to new research involving over ...