well i have posted before and will again, i had the mirena for 4 yrs......... and i didnt have a period in all that time, it was wonderful, i just recently had it romved cause time was up and i want to try and have another baby if i can... and i can tell you .. i DONT like this period thing!!! and my god when did it get so confusing to buy pads and stuff.......... i cant say i had any side effects my moodyness was gone i didnt turn into a raging loony once a month,,, no ovary pain..... i wont say i gained weight from it but i found it hard to loose weight, and i didnt suffer Acne while with it either, since removal 3 months ago, im now a raging loony with Acne again....... but my periods are regular.. not 21 day cycle with 10 of them bleeding....... im now 28 days with 4 days bleeding... wooohoooooo im normal!!!! ( and have lost 20 pounds) i hope that helps?? when i first got my mirena it was new on market and i was a "test case" and it is highly recommended by me.. if i can have another baby.. ill get another asap!!!! i watch these women still go thro hell with periods after there tubes tied.. i tell them WHY didnt you get a mirena!!!!!