The female reproductive system includes internal and external organs, each designed to carry out varying functions. Learn ...

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

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

Robert F. Kennedy Jr. has redefined sex in HHS guidelines, emphasizing a binary view that ignores transgender and intersex ...

Reproductive biology involves the scientific study of the reproductive system. Improved understanding of reproductive biology can lead to new treatments for reproductive disorders, such as ...

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The executive order and the new HHS document provide similar narrow definitions of words like “sex,” “female,” “woman,” “girl ...