abnormal uterine bleeding
"Started taking this on December 28th of 2016 or so... I was on my period for an entire month and it was extremely heavy with blood clots, the bc cleared it up about 5 days later. For that I love it, I had no side effects until my period started this week. I have very bad cramps, much like the ones I had when my period was more regular, and I've been passing large blood clots and have had heavy bleeding. To cut my period short, I'm starting my next pack. Honestly, a really cruddy week long period is better than a pretty cruddy month long period so I'm happy"