Caster Semenya lost her landmark case against IAAF over natural testosterone levels

Caster Semenya after winning gold in the women’s 800-meter event at the Rio 2016 Olympic Games. Photograph: Cameron Spencer/Getty Images

One of the most contested issues in sports — gender discrimination — is completely disrupting the nature of women’s track and field. On Wednesday, the Court of Arbitration for Sport (CAS) dismissed Caster Semenya’s appeal to halt the introduction of regulations (DSDs) limiting testosterone in female athletes who have differences in their sexual…