THE world champion 800m runner Caster Semenya has been revealed to have male and female sexual organs, posing an ethical and political quandary for the sport's ruling body, the International Association of Athletics Federations, and her home nation, South Africa.

Extensive physical examinations of Semenya, who is just 18 and from a remote village in the country's far north, has shown the athlete is technically a hermaphrodite. Medical reports indicate she has no ovaries, but rather has internal male testes, which are producing large amounts of testosterone.

The presence of both male and female characteristics will come as a devastating blow to Semenya, who has fought off snide remarks about her masculine appearance for much of her life.