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

Olympics-Athletics-Namibian sprinters resurrect 'paradox' of DSD rules

Coe claims Mboma's Tokyo 200m silver shows testosterone rules are working, Tokyo Olympic Games 2020

Olympics committee finally changes policy on trans athletes

Transgender athletes: The International Olympic Committee's trans eligibility framework is too little too late - Sports Illustrated

International Olympic Committee issues new guidelines on transgender athletes

Caster Semenya - latest news, breaking stories and comment - The Independent

Olympian Caster Semenya loses appeal on IAAF's testosterone rules - The Washington Post

Trans runner barred from Olympics rips World Athletics' decision to 'maintain fairness' in women's sports

Olympics rule disqualified Black women for high testosterone

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

Caster Semenya taking testosterone regulations fight to European Court of Human Rights

Olympic champion Caster Semenya wins appeal against testosterone rules at human rights court

Five women banned from Tokyo Olympics events – The Hill