I am using it while BF and has worked fine, it was the one recommended to me by my OB. It took 3-4mths to settle down, I now have not had an AF for many months! I also do not have any side effects.
That's good to hear, the mirena is also used to help lighten periods for women who bleed heavily but in some cases, like yours and my own it stopped all together

blessedatlast - sorry to hear that, my SIL had the implant in her arm for 12+months with non stop bleeding so had it removed and has recently had a mirena inserted with great results.