"just wanted to chime in a positive review for mirena. i had the mirena inserted in july of 2014. i did not think it was painful at all - just like an intense cramp for about 10 seconds, but i think everyone has a different body and a different pain tolerance. my gyno warned me that side effects take 3-6 months to go away. i randomly spotted for the first 2 months or so - not terrible, just annoying. the one side effect that i didn&#039;t like was that when my period would normally be happening, i wouldn&#039;t bleed, but i would get really light-headed/zoned out for a few days. i was a little worried by the second month that had happened (september 2014), but it never happened again. mirena has been fantastic since. no period/spotting, not pregnant."