Ask Dr. Deep : Is it bad when birth control causes my periods to stop or become irregular?
No, it’s not dangerous or bad that you get irregular periods or if your periods stop completely. Also, having lighter, irregular or no periods while you are taking birth control does not make you less fertile if you decide to stop taking birth control later. The reason why your periods are lighter or stop is because the hormones in birth control thins out the lining of your uterus (your period is the shedding of your uterus lining).