Genes associated with male reproductive biology appear to be under relaxed selective constraint in a primate species with low sperm competition.

Successful reproduction presents a fundamental evolutionary paradox: the immune system must tolerate genetically foreign sperm and embryos while maintaining ...

Males of the species Drosophila melanogaster pack thousands of almost two-millimeter-long sperm cells into significantly smaller storage organs. A new study reveals how they move in an orderly manner ...

A research team led by the Universitat Autònoma de Barcelona (UAB) has revealed how the genome is reorganized in 3D during ...

Why do so many men only think about fertility when there is a problem? Perhaps the answer lies in our societal scripts.

Clinical data reveals male factors contribute to half of all infertility cases, shifting the focus toward earlier ...

Researchers from the EHU-University of the Basque Country have developed a robust protocol to detect the molecules involved ...

The first female oral contraceptive was approved by the US Food and Drug Administration in 1960. In the 65 years since its inception, it has become a commonly used drug. The same cannot be said for ...

This summer, I got cultural whiplash. As a child of the ’90s and early 2000s, I grew up with my mother’s and grandmother’s generations’ fight for legal and workplace equality helping shed social ...

Share on Pinterest Ultra-processed foods may contain endocrine disrupters that negatively impact male fertility. New Saetiew/Getty Images Ultra-processed foods can increase the risk of multiple ...

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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 ...