Hi, I am 22 years old, 128 pounds. 5I've had the IUD Mirena since July 23, 2012. This year in August I started having Pelvic pain and my Primary Doctor sent me to have a Ultrasound which showed I have a 4 cm Cyst on my left Ovary. I am having severe pain in my Pelvic, side, and back. Mood swings and nausea and tender breast.