I Have Been Taking Meprate To Get Periods For D

I have been taking meprate to get periods for d past 3 months because of polycystic ovaries.. and I took meprate on 17th of july for d next 8 days.. usually I would get my period by 4th of august but there was a slight bleeding for just one day thats all.. and today 12th of august I took home pregnancy test and positive.. does the medicine affect my fetus?? im really worride