Asked about her ban from the 400, Mboma responded: "I have no comment for that." The tests revealed their natural testosterone levels were higher than a limit set by the sport's world governing body, prompting their ban. The Namibian Olympic committee said the two runners were not aware they had high natural testosterone before the tests. WATCH l Discussing the IAAF seeking to restrict Semenya's testosterone levels:IAAF seeks to restrict Semenya's testosterone levels: a discussion Sports 2:49 CBC Sports' Anson Henry and Rob Pizzo discuss the controversy surrounding the IAAF's efforts to restrict testosterone levels in female runners, a move that targets Caster Semenya. 2:49Athletes affected by the rules have an option to compete in restricted races if they lower their testosterone levels for at least six months before a competition.

Source: CBC News August 02, 2021 14:48 UTC