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VIDEO: Chronic hormonal effects to look for following traumatic brain injury
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September 20, 2018
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Study used to justify international women’s track and field eligibility rule leaves questions

New track and field regulations from the International Association of Athletics Federations, or IAAF, due to take effect in November will require some female athletes with elevated testosterone levels to medically reduce their testosterone to compete in select events. The regulations specify that the threshold applies only to “relevant females” who have a disorder of sex development, as defined by the organization, testosterone levels of at least 5 nmol/L, and sufficient androgen sensitivity.