"The 18-year-old 800m gold medal favourite has burst on to the world scene in recent months, with her appearance, including obvious facial hair, and muscular build igniting speculation about her gender."
"The IAAF is aware of the issue and has conducted physical tests and genetic screening to try to determine the legitimacy of Semenya's sex."
IOC rules generally state athletes must compete under their gender-at-birth.
I honestly can't make out from the picture which gender she is, but on the other hand, most of the female athletes look like men to me. The exercise so much that there is nothing left of their breast and womanly curves. If the outcome is that Semanya is a woman, then I feel sorry for her and that they are putting her through all of this, after all of her hard work.
Read the rest of the article here.