I have had the mirena for the past four years and have never had a probelm before.The past 3 days i have been having moderate bleeding and cramping,bloating,severe nausea everyday that last all day long and I have been extremely tired and sluggish.I could never feel my strings and my boyfriend cant either.I dont know if I could be pregnant I could just really use some advice right now and to have someones opinion on my sitiuation.please someone help i am really nervous.