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The IAAF this week issued new Eligibility Regulations for Female Classification (Athlete with Differences of Sexual Development) for events from 400m to the mile, including 400m, hurdles races, 800m, 1500m, one mile races and combined events over the same distances (‘Restricted Events’).
The new Regulations require any athlete who has a Difference of Sexual Development (DSD) that means her levels of circulating testosterone (in serum) are five (5) nmol/L or above and who is androgen-sensitive to meet the following criteria to be eligible to compete in Restricted Events in an International Competition (or set a World Record in a Restricted Event at competition that is not an International Competition):
(a) she must be recognised at law either as female or as intersex (or equivalent);
(b) she must reduce her blood testosterone level to below five (5) nmol/L for a continuous period of at least six months (e.g., by use of hormonal contraceptives); and
(c) thereafter she must maintain her blood testosterone level below five (5) nmol/L continuously (ie: whether she is in competition or out of competition) for so long as she wishes to remain eligible.
These new Regulations, approved by the IAAF Council in March, will come into effect from 1 November 2018 and replace the previous Regulations Governing Eligibility of Females with Hyperandrogenism to Compete in Women's Competition, which no longer apply anywhere in the sport.