South Africa on Monday said it would lodge an appeal after Olympic champion Caster Semenya lost her case challenging new rules forcing female athletes to regulate their testosterone levels.
Semenya's case has provoked a furious debate across sport worldwide about gender and "hyperandrogenic" athletes, those with "differences of sexual development" (DSD).
The decision on May 1 by the Court of Arbitration for Sport (CAS) in Lausanne, Switzerland, means female athletes with elevated testosterone will have to take suppressive treatment if they wish to compete as women in certain events.
"We'll file the appeal as soon as we possibly can," Vuyo Mhaga, spokesman for the South African sport and recreation ministry, told AFP.
"We feel that the scientific information that has been brought has been completely ignored."
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