IOC mandates gene screening to protect women's sports International Olympic Committee President Kirsty Coventry announces a new policy requiring gene screening to ensure only biological females compete in women's sports, citing fairness. Payton McNabb reacts. NEW You can now listen to Fox News articles! American Olympic runner Nikki Hiltz , who identifies as transgender nonbinary, reacted to the International Olympic Committee’s (IOC) policy to bar males from women’s competitions on Friday. The