 After reconstructive pelvic surgery urinary retention occurs in up to 60 of patients requiring an indwelling catheter or self-catheterization 1-5. Up to 35 of women with acute retention experience urinary tract infections in the postoperative period 6, 7. Many women consider being discharged with a Foley catheter to be a surgical complication and describe catheter use as the worst aspect of their surgery8. At this time there is no consensus within the field of Female Pelvic Medicine and Reconstructive Surgery FPMRS on how to best assess voiding function postoperatively. FPMRS providers both within the United States and around the world utilize a variety of void trial methods and varying criteria to determine adequacy of post-operative voiding efficiency 5. 