Has anyone ever gotten pregnant while taking provera?

i am not talking about the BC, my GYNO, prescribed me provera to jump start my period cuz i havent had any mensus sicne october, and very very extremely light in December, light enuff where i didnt need a pad i just saw it when i wiped..anyway he didnt perform a pregnancy test before startign the medicine cuz i alreayd had one bout 3 weeks ago..so iw as wodnerign is it possible tog et pregnant while u take it? i am on 10 mtg for five days..what do u guys think? i know it isnt a fertility treatment iw as just wonderign if anyoen has heaerd or persoanlly got pregnant whiel takign this emdicine..:)