Sports Scientist at UCT Dr Ross Tucker says the open letter by 60 athletes to the IAAF is significant in the wider context of the discussion.
The athletes have signed an open letter from Athlete Ally and Women’s Sports Foundation calling on the International Association of Athletics Federations (IAAF) to rescind a discriminatory regulation that would force women to alter their bodies in order to compete in a sport they’ve dedicated their lives to.
I don't think it's significant for that case.— Dr Ross Tucker, Sports Scientist at UCT
It's not to dismiss the value of the words these people are speaking but I think the court of arbitration will make their decision based on a different set of facts and evidence.— Dr Ross Tucker, Sports Scientist at UCT
Dr Tucker says Caster Semenya should argue her case based on scientific facts when she goes to the arbitration court.
Earlier this year, the Federation introduced new laws on testosterone regulations for female athletes - which stipulate that any athlete who is determined to have a testosterone level of five nanomoles per litre or higher and is androgen-sensitive, must meet a set of criteria to compete.
Listen to the full interview below