People who have one of several well-documented medical conditions do not have only XX or XY chromosomes, which typically correspond with female and male sexes, respectively. Those conditions include ...

Klinefelter syndrome is a genetic condition that affects only males. Here's what you should know about the causes, symptoms, and treatment options for the condition. Klinefelter syndrome is a genetic ...

The president’s executive order signaled an intention to narrowly define the sexes, but experts say he is oversimplifying the ...

Turner syndrome is a rare genetic disorder found in some women and people assigned female at birth. It can cause short stature and a range of health issues including heart defects, learning ...

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

Imposter syndrome is when you doubt your own skills and successes. You feel you're not as talented or worthy as others believe, and you're scared that one day, people will realize that.

For example, 47,XYY syndrome, also known as Jacobs ... For example, those with complete androgen insensitivity syndrome possess XY chromosomes, but because their bodies don’t respond to ...

He suggested that an abnormal sex chromosome complement might predispose to delinquency. However, a survey by Wegman and Smith 2 on a group of socially disturbed males of relatively normal ...