Caster Semenya loses landmark legal case against IAAF

May 1, 2019 (AMN) – Caster Semenya lost her legal case against the IAAF, which now means Semenya will have to take medication to reduce her testosterone if she wants to continue competing on the international stage. CAS has agreed that the IAAF’s policy was discriminatory towards athletes with differences in their sexual development (DSDs).