abnormal uterine bleeding
"I started this birth control and it has been the worse experience. My periods were,ways regular on time, and I barely got cramps or back pain. On this pill I have been getting really bad back pain and bad cramps to the point it wakes me up at night. I never spotted and on this pill I spot every two weeks but this month it feels as a regular period.... Its not convenient whatsoever. The only pro I could say is a bit larger breasts. That's it!"