"i&#039;m 18, no kids and don&#039;t want kids for another five years! i just got mirena inserted about a month and a half ago. not all women are the same and i can&#039;t tolerate pain at all. so the insertion process was extremely painful and uncomfortable for me. i got really dizzy and nauseous right after and experienced pretty severe cramping for about the next hour. i did take a nap as soon as i got home and by the time i woke up, the cramping had gone down significantly. i only had light cramping and barely spotting for the next two weeks, and since then haven&#039;t had my period. i check every week to make sure i can still feel the strings. plus, i have no side effects. absolutely love mirena so far."