 Mu gihe ryoshigwa mu ngiro, iryo tegeko ryotuma bamwe mu banonotsi babakobwa bafise urugero rurenze biruka mu bahungu canke bakemera gufata imiti igabanya iyo testosterone. Semenya yatsindiye umudali winzahabu mu 1500m Umurundikazi yatahanye umudari wa zahabu mu gusiganirwa ahugaye Umunonotsi wa Afrika yepfo yiruka imetero 800, Caster Semenya ashobora gufatwa niryo tegeko. 