A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

CNN claimed there is skepticism about new HHS guidance that clarifies the differences between men and women, while failing to ...

How do behavior, morphology and physiology act in concert to improve a male's reproductive success - and why is there so much variation among outcomes within and between species? Aa Aa Aa ...

The U.S. Department of Health and Human Services issued guidance updating its official definitions of terms such as sex, ...

"There is a strong link between a man's reproductive health and his ... such as phthalates," can also disrupt the development of the male reproductive system," Levine added, speaking with CNN.

Legislation dubbed the "Women's Bill of Rights" has now been seen in West Virginia, Iowa, Georgia, and others and has implications for the transgender community.

The Department of Health and Human Services, under the leadership of Robert F. | The Department of Health and Human Services, ...

While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these ...

Alabama Republican Gov. Kay Ivey signed the What is a Woman Act later Thursday, Fox News has learned – the bill will codify ...

evidence-based male programs.” This funding will allow Posterity Health to continue scaling its platform and expanding its reach, ensuring that every man has access to high-quality reproductive ...