What an absurd suggestion. Do you have proof to back up this assertion?
I am only remembering what was out of the mainstream news from a previous olympic cycle. Years ago, as much as ten now.
http://www.snopes.com/politics/sexuality/doping.asp
Claim: Female athletes competing at the Olympics are getting pregnant just so they can abort the baby and by so doing enhance their performance through hormone doping.
Status: Undetermined.