In the group of patients, the number of patients with bladder neck prolapse (72.73%) was more than the control group (57, 14%) during straining, In the straining, there is an increase the mobility of the bladder neck with an average value of 21 ± 15, Conclusion Dynamic Pelvic Magnetic Resonance Imaging (DP-MRI) is a non invasive technique with excellent soft tissu resolution, providing the complete and accurate anatomical images to dignosis of Stress Urinary Incontinence (SUI)