"You either have XX or XY chromosomes," Rep. Nancy Mace, R-S.C., wrote Feb. 20 on X. "Those are the options." Most commonly, a person is born with two X chromosomes (female) or an X and a Y (male).

GH is a naturally-occurring hormone produced by the pituitary gland in the brain. It plays a key role in growth, bone ...

In a groundbreaking series of surgeries, doctors at Duke Health have successfully performed the world's first living mitral ...

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

EastEnders fans were left in awe of Lacey Turner's acting skills during the live episode of the BBC soap on Thursday night, with many taking to social media to praise the star ...

such as Turner, Triple X, Klinefelter and Jacobs syndromes. With the launch of IONA Care+, the comprehensive menu now includes clinically relevant microdeletion syndromes, namely DiGeorge Syndrome ...

Rosie Emrich speaks to lawmakers for the third time testifying at the New Hampshire State House against transgender-related ...

Find out why 'disappointed' Gogglebox viewers have slammed Friday's episode (February 28) of the new Channel 4 series.

X) tissues during early human fetal development provides insight into sex chromosome gene dosage and potential mechanisms and management in Turner syndrome.

EastEnders actress Lacey Turner has been praised by BBC viewers following her "performance of her life" during the live episode of the BBC soap on Thursday night ...