 Muri 2015, ikirego cyatanzwe numukinnyi wumuhindi Dutee Chand cyatumye urukiko rusanga nta gihamya gihagije cyerekana ko imisemburo ya hyperndrogenism yongerera abakinnyi babagore imbaraga mu gusiganwa maze IAAF ihabwa imyaka ibiri kugirango ibe yazanye ibimenyetso. 