Semenya loses appeal against IAAF testosterone rules Unknown 04:59 FOX Sports Digital, IFTTT Caster Semenya has lost her appeal against rules designed to decrease naturally high testosterone levels in some female runners from FOX Sports Digital https://foxs.pt/2ZPk7F6 via IFTTT Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsSome words from the coach inspire Osaka's quarterfinal winNo. 8 Spartans take 7-game win streak into No. 14 Ohio St.Women navigate toxicity, other barriers in esportsTickets for CFP title game available for cheapColorado at Arizona State headlines the Pac-12 this weekDavis dominant but frustrated Pelicans can't get going