This is bullshit. The top governing organization for world track and field has implemented rules forcing women competitors with NATURAL high testosterone to medically lower it with medicine. In other words, if you are born with advantages athletically such as having testosterone higher than an average woman, you are being forced to lower your natural ability.
http://time.com/5582187/caster-semenya-testosterone-track-and-field-rules/
http://time.com/5582187/caster-semenya-testosterone-track-and-field-rules/