International Association of Athletics Federations

Caster Semenya Loses Battle Over Testosterone Levels

South African athlete and double Olympic champion Caster Semenya has lost her case against the sport’s governing body - the International Association of Athletics Federations (IAAF), over its decision to restrict her naturally higher levels of testosterone. They say it gives Semenya an unfair advantage over other female runners.
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Athlete Caster Semenya Loses Challenge To Compete Without Testosterone Blockers

Officials said "such discrimination is necessary".
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