http://www.medications.com/effect/view/29741 I've had my Mirena IUD for approx. 3-4 months. It's lasting for over 1 week. Also, yesterday and today I've had heavy bleeding and blood clots. I was a bit surprised to notice this considering the Mirena is supposed to lighten your menstrual flow. I hav Sat, 26 Apr 2008 01:58:55 -0400 http://www.medications.com/effect/view/29741?item=7631 I am getting the Mirena IUD inserted in a few days, but what I have been reading online a lot, is that it takes up to six months for your period to regulate, or hopefully stop all together by then. When I was on Yasmin birth control, it made my bleeding u http://www.medications.com/effect/view/29741?item=7631