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

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

Track & Field Women's Testosterone Controversy Back in Spotlight With Namibian Teens – NBC 6 South Florida

Teenagers make 200 final in Olympic testosterone controversy

IOC: Trans Women Shouldn't Have to Reduce Testosterone to Compete at Olympics

Tokyo 2020: Two Namibian Olympic medal contenders ruled ineligible for women's 400m due to naturally high testosterone levels

Namibian teens stoke new Olympic testosterone controversy

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

Olympics: Namibia's sprinters highlight a flawed testosterone testing system – The Mail & Guardian

Olympic Games Tokyo 2020, Namibian runners testosterone levels

Athletics - latest news, breaking stories and comment - The Independent

What You Missed: IOC Abandons Testosterone Rules for Transgender Athletes

Olympic Champion Caster Semenya Wins Human Rights Case but Testosterone Rules May Remain for Years

Olympics: 4 Top Athletes Barred From Their Events Over Hormone Rules

Olympic Runner Caster Semenya Wants To Compete, Not Defend Her Womanhood : Live Updates: The Tokyo Olympics : NPR