"i recently got the mirena iud since i am a sexually active 16 year old &amp; i don&#039;t a want a baby! i went to my health clinic which pretty much does anything for teens under 18 years of age for free. when i got the iud i was told to take medication before i came and i probably should had listened! because when they  pinch your cervix to put it in it feels like really bad cramps. i suggest taking 4 (depending on the pill) of some kinda of pain reliever 4 &amp; 1 hour prier to the procedure. after i got it heading home i had bad cramps my symptom&#039;s lasted for about a week and a half which sucked i had all the symptoms of pregnancy you could say. symptom&#039;s were high sense of smell, nausea, couldn&#039;t keep down most foods, light headed, bleeding"