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

The Department of Health and Human Services (HHS) has released new guidelines regarding "sex-based definitions," recognizing ...

The announcement comes in the wake of President Donald Trump’s Executive Order 14168, which affirmed the biological reality ...

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