"i&#039;m 21 with 3 kids, got my mirena on 6/12/12 and i&#039;m already on my period. i&#039;m slowly breaking out on my back which never happens and also on my face, i have gained 3lbs, i&#039;m a very active person i workout hard 6 x a week and eat as healthy as possible. now tell me, is it the mirena or me?? i&#039;m not sure about this but i&#039;ll give it about 5 or 6 months. "