Some researchers say World Athletics’ new rules discriminate against trans athletes and will likely hinder research on transgender women’s athletic performance.
Harper says that to her knowledge, no transgender women have competed internationally at an elite level. She interprets that to suggest trans women do not win all the medals or break records because of any potential physical advantage.Testosterone is important to athletic performance because itFemale athletes with DSD, such as South African runner Caster Semenya, often have higher levels of testosterone than other women.
Athletes can take medications to lower their testosterone. But the effects are short-lived, Harper says, so it’s difficult to maintain steady hormone levels. There needs to be tolerance for fluctuations, she says—something the previous limit of 5 nmol/L allowed. And there’s uncertainty in this area, as well. A 2021 consensus statement from the International Federation of Sports Medicine noted aVilain, for his part, calls the policy discriminatory because it only applies to athletes with DSD. It allows many cis women with elevated testosterone levels, such as those who have polycystic ovary syndrome, to compete, he says.in response to WA’s new “highly discriminatory regulations” for DSD athletes.
If far fewer trans athletes compete, the number of potential study participants will, in turn, decrease. And athletes with DSD who want to compete will have to alter their bodies by lowering their hormone levels, complicating efforts to study their apparent advantages. With little research done to date, the new rules will make it harder for researchers to produce data to inform policy, Vilain says.Yes. In 2022, the Union Cycliste Internationale, the governing body for cycling,
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