Discover and read the best of Twitter Threads about #DSDRegulations
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I thought it might be valuable to upload my slides from #PTG2019 on the Caster Semenya case…the slides will follow in the thread below. 
1. Caster Semenya was born and raised as a woman, but was outed as a "Woman, but maybe not 100%" by the IAAF's Pierre Weiss in 2009 when she was 19: reuters.com/article/us-ath… #PTG2019
2. The IAAF plays its trump card. Changes #DSDRegulations - only apply to the 46 XY karyotype, allowing it to argue that they apply to 'biological males', who have an advantage due to the action of elevated T on the development of their physiology from puberty onwards… #PTG2019
