2 yrs back i was asked by a doctor to take glycomet 500 to get pregnant as there was some issue.I stopped all the treatments for pregnancy. two months back I started taking Glycomet500 to loose weight, this time it's time for periods and I'm feeling nausea, It can be a symble of pregnancy. If it so, what can I do to stop it, because I don't want to get pregnant.Please help I dont want to get pregnant.