Tokyo 2020: What are the testosterone rules in women's athletics?

The complex testosterone regulations in track and field have become an issue again at the Olympics after two teenagers from Namibia qualified for the women’s 200-meter final

Athletics-Namibian sprinters resurrect 'paradox' of DSD rules

Caster Semenya loses testosterone rules appeal - AW

Namibian teens stoke new Olympic testosterone controversy

Another woman with too high natural testosterone is disqualified at the Olympics - LGBTQ Nation

Caster Semenya wins appeal to human rights court, testosterone rules still in place - NBC Sports

Sex Tests' on Athletes With High Testosterone Rely on Flawed Science

Simone Biles, Sha'Carri Richardson, and How the Olympics Failed Black Women, ACLU of Florida

Female runners with high testosterone must take hormone suppressants to compete, sports court rules

Olympics To Abandon Testosterone Criteria For Trans Women Athletes, Announces 'Framework On Fairness

Tokyo 2020: Caster Semenya confirms she will not attempt 200m Olympics qualification, Olympics News

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What are the Olympic track and field testosterone rules?

Teenagers make 200 final in Olympic testosterone controversy