 [ Symptoms ] could getting pregnant while on birth control cause birth defects [ Disease ] hi according to the mayo clinic “there is very little evidence that exposure to the hormones in birth control pills causes birth defects ” however if this happens stop taking the pill immediately and see your doctor or health care provider i think they mean if you get pregnant nohard read more <link>#ixzz2pfwmbk1h this was something i found so hope it helps you and your mind good luck