A formal ultrasound to evaluate IUD position will be scheduled in the FPA gynecologic ultrasound unit or in the Gynecology clinic at EHC at the following time points: 6-10 weeks following placement, 3 months following placement (with inclusion up to 6 months), and 12 months following placement (with inclusion up to 15 months). The formal ultrasound will document the following: size and position of uterus, endometrial stripe (EMS) thickness, IUD-Myometrium distance, IUD-endometrium distance, IUD-fundus distance and position of IUD.