800 meter champion asked to undergo a gender verification test. 
FILE — In this Monday Aug. 17, 2009 file photo South Africa’s Caster Semenya competes in a Women’s 800m semifinal at the World Athletics Championships in Berlin. The IAAF has asked the South African track federation to conduct a gender verification test on 800 meter runner Caster Semenya amid concerns she does not meet the requirements to compete as a woman. The 18-year-old Semenya is a favorite in the 800 meter final later Wednesday Aug. 19, 2009. (AP Photo/Anja Niedringhaus)
The teenager from Pretoria has raised eyebrows due to her stocky, muscular physique and apparently masculine characteristics, including facial hair.
