abnormal uterine bleeding
"I developed pretty aggressive bleeding due to Fibroids, got to the stage where I needed a blood transfusion.
The doctors mucked around for a week, suggesting ablation, hysterectomy, etc. Finally, against my better judgement, I agreed to a Mirena.
I expected things to take some time to settle, and they did, however three months on things were looking good. 
Then out of nowhere the bleeding started to come back, not like before, but with lots of pain and constipation.
I'm six months in and its like my uterus is fighting to bleed again. Its like a war. It hurts. Apparently a woman with Fibroids should not use a Mireena.
If I take it out, its hysterectomy time. If I leave it in, its god knows what..."