Hi Can I Fall Pregnant While On Duromine And I

hi can i fall pregnant while on duromine and i had a baby 8 months ago and im sure i starilized but im sitting with a missed period and pregnancy simptoms what scares me the most is if i am pregnant woll i be able to carry to full term becourse i had all my children via c-section and my last c -ssection was th fourth that is why i asked to be sterilised dew to the risk involved please help.