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Sex test used in IOC’s new transgender ban more likely to exclude from Olympics intersex women who were assigned female at birth

  • Written by Ari Berkowitz, Presidential Professor and Graduate Liaison for biology programs; Director, Cellular & Behavioral Neurobiology Graduate Program, University of Oklahoma
imageSex testing in elite sports has had a long, inconsistent history.anton5146/iStock via Getty Images Plus

The International Olympic Committee announced a new policy on March 26, 2026, for women’s competitions: Every athlete must be tested for a gene called SRY, usually found on the Y chromosome. Males typically have a Y chromosome and females...

Read more: Sex test used in IOC’s new transgender ban more likely to exclude from Olympics intersex women who...

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