Biological gender and XY chromosome testing have become the subject of Olympic controversy in the wake of Algerian boxer Imane Khelif‘s win against Italy‘s Angela Carina, who withdrew after 46 seconds ...

NANJING, China (AP) — World Athletics president Sebastian Coe said Tuesday that the track and field’s governing body has approved the introduction of cheek swabs and dry blood-spot tests for female ...

Sex determination at birth is decided on the chromosomes the baby has. A female has two X chromosomes, whereas a male has one X and one Y chromosome. According to Medline Plus, in every cell, humans ...

For years, we’ve been taught that men have one X and one Y chromosome, with the Y carrying the vital gene that initiates male development. But now, scientists are sounding the alarm: the Y chromosome ...

LOS ANGELES — The governing body for Olympic-style boxing will require sex testing for all fighters wishing to compete in the women's division at its world championships next month. World Boxing ...

World Athletics president Sebastian Coe said Tuesday that the track and field’s governing body has approved the introduction of cheek swabs and dry blood-spot tests for female athletes in order to ...