i got pregnant after years of not having a menstral cycle and after losing about 30 pounds..i wasn't having a menstral cycle but for some reason i ovulated..i was also drinking red clover tea twice a day to reduce the acidity of my vaginal secreations...if your vaginal secreations are too acidic it will kill the sperm....i know it sounds way out there but my friend and i researched it and it worked for me..i'm an ob nurse so i have some background about pregnancy and quiz the doctors all the time about one thing or another....