Page last updated at 07:04 GMT, Thursday, 20 August 2009 08:04 UK
IAAF explains 'gender test' for Semenya
Cannot play media. Sorry, this media is not available in your territory.
IAAF director of communications Nick Davies describes why new world 800m champion Caster Semenya has been asked to take a gender test and the timing and issues around it.
Bookmark with:
What are these?
E-mail this to a friend