Clinical and Ultrasonographic Predictors of IUD Related Complications

* All patients fulfilling the selection criteria undergo complete clinical examination and detailed medical history obtained. Each patient had a Case Record Form (CRF) recording participants' name. number, previous deliveries and abortions, age, height, weight, BMI, LMP, past medical and surgical history and contraceptive history. * All participants will be subjected to transvaginal ultrasound to measure uterine size, endometrial and myometrial thickness, uterine position, cervical length, cervical diameter and for detection of any contraindications for IUD insertion. Power Doppler Energy (PDE) measurement for subendometrial microvascularization will be done and categorized as women with minor subendometrial vascularization (Classifications I and II) and major subendometrial vascularization (Classifications III, IV and V)