Semenya is an in­cred­ibly powerful runner from South Africa, a two-time Olympic champion. She has also been the subject of controversy since the beginning of her career over decade ago.

Semenya has an intersex condition, though she doesn’t publicly speak about it: Her body allegedly produces testosterone at a higher level than most women.

The Court of Arbitration for Sport ruled that if Semenya wanted to continue to compete, she would be required to take medications to lower it.

The CAS, which was upholding a previous ruling by the @WorldAthletics , admitted that the decision was tantamount to discrimination. But, a statement read,...

“discrimination is a necessary, reasonable and proportionate means of achieving the IAAF’s aim of preserving the integrity of female athletics.”

Female athletes are still subjected to the equivalent of a sex test, based on whether they appear feminine.

Dutee Chand in her successful appeal against the validity of the IAAF’s hyperandrogegism regulations, the Athletics Federation of India (AFI) originally began investigating her after complaints that she “ran like a

Chand was banned in 2014 after the @WorldAthletics decided that her androgen (testosterone) levels were above the 10 nmol/L permitted by the IAAF’s hyperandrogegism regulations, resulting in her missing the Glasgow 2014 Commonwealth Games.

Androgens, including testosterone, are naturally produced in significant – but varying – levels by both men and women.

Endocrine profiles in 693 elite athletes in the post-competition setting’, found that 16.5% of the ‘male’ athletes had low testosterone levels, and 13.7% of the ‘females’ had high testosterone levels, ‘with complete overlap between the