 [ Symptoms ] can i be pregnant on my second week of birth control pills  i had sex two days ago with out a condom i have been on birth control for about two years i never miss it or anything last night i startd to bleed and today it i really heavy i am only on my second week of pills it started wendesday im getting my pills changed next month because i have been known to have irrigualr periods but im still concerned if there is a chance i could be peregnant [ Disease ] it would be unlikely but if your concerned the best thing you can do is take a test