TY - JOUR T1 - Hyperandrogenism controversy in elite women’s sport: an examination and critique of recent evidence JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 1481 LP - 1482 DO - 10.1136/bjsports-2017-098446 VL - 52 IS - 23 AU - Peter H Sőnksen AU - L Dawn Bavington AU - Tan Boehning AU - David Cowan AU - Nishan Guha AU - Richard Holt AU - Katrina Karkazis AU - Malcolm Andrew Ferguson-Smith AU - Jovan Mircetic AU - Dankmar Bőhning Y1 - 2018/12/01 UR - http://bjsm.bmj.com/content/52/23/1481.abstract N2 - In July 2017, the International Association of Athletics Federations (IAAF) was expected to return to the Court of Arbitration for Sport (CAS) with evidence to justify reinstatement of their controversial hyperandrogenism rule. CAS has granted IAAF a 2-month extension for their response, which was due by the end of September. CAS suspended the IAAF Hyperandrogenism Regulations1 2 years earlier following the successful appeal by the Indian runner Dutee Chand.2 IAAF advisors have published two recent articles in this journal3 4 to support their claims that women with high endogenous testosterone levels have such a significant performance advantage over women with lower levels that it is necessary to exclude them from competing in the female category.Both papers have examined the relationship between blood testosterone concentration and athletic performance using a cross-sectional design. While such studies can show the presence of association, they do not prove causality and no mention is made of the possible importance of associated androgen insensitivity, while in some there may be a contribution from … ER -