Should men trying to have kids avoid hot tubs? Do boxers vs. briefs impact sperm counts? Here's the real science behind male ...

Researchers uncovered how estrogen subtly reshapes learning by strengthening dopamine reward signals in the brain. Rats ...

Scientists say they have found a way to test ancient human remains for hormones linked with pregnancy, a breakthrough that may allow archaeologists to determine whether a woman was pregnant or had ...

For the first time, scientists have created fertilizable human eggs from skin cells—an advance that the researchers say could pave the way for new infertility treatments, though the technology remains ...

In the quest to create better options for couples facing infertility, scientists have been racing to create eggs and sperm in a laboratory dish. A study published Tuesday in Nature Communications from ...

Since taking office in December 2023, Argentina’s President Javier Milei and his government have dismantled key sexual and reproductive health protections. A report published this week by the Center ...

A Chinese scientist horrified the world in 2018 when he revealed he had secretly engineered the birth of the world's first gene-edited babies. His work was reviled as reckless and unethical because, ...

A hormone-free pill, called YCT-529, that temporarily stops sperm production by blocking a vitamin A metabolite has just concluded its first safety trial in humans, getting a step closer to increasing ...

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 ...

New research reveals the presence of microplastics in human reproductive fluids, raising important questions about their potential risks to fertility and reproductive health European Society of Human ...

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 ...