IRCT201709258146N22 IRCT 2017-10-08 Vice chancellor for research,Shahid Beheshti University of Medical Sciences The Effect of Radio Frequency on Treatment of Urinary Incontinence Evaluation of Contractile Radio Frequency(CRF) in the treatment of Female stress urinary incontinence 2017-09-23 anticipated 40 Complete https://irct.ir/trial/8580 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A stress urinary incontinence. Intervention 1: Intervention group: Patients undergo Contractile Radio Frequency with 40-20 Watt and frequency of 1-300kHz at pulse for 2 times a week and 12 sessions for 2 months. Intervention 2: Control group: Patients undergo off Contractile Radio Frequency.All variables including duration of radiation, duration of radiation and the number of treatment sessions in the control group will be exactly the same as the case group, and treatment will be given by the same physician in this group.