I consistently take birth control yet my period keeps coming back at the wrong time. A little bit ago I had my period the week before placebo and it was fine and dandy. Then I reach placebo week and the period is still there just way worse. That's a 2 week long period. Then I start the next month of birth control and my period will just randomly come back for a couple of days. I see how beneficial birth control can be but currently it is making my period worse than before and it makes me nauseous all the damn time.