Urinary Track Infection Prevention After Urogynecological Surgery

Inclusion Criteria: * Patients who undergo major pelvic organ prolapse surgery that are diagnosed with POUR via failed retrograde void trial and require an indwelling Foley catheter upon hospital discharge. Exclusion Criteria: * Unwillingness to participate in the study * Inability to understand English * Pregnant women * Patient personal history of nephrolithiasis, urogenital anomaly, neurogenic bladder, chronic renal insufficiency (GFR \<60 ml/min/1.73 m² or serum creatinine level \>1.03 for \>3months), sarcoidosis, and severe hepatic insufficiency * Currently (prior 3 months) undergoing medical management for recurrent UTI or interstitial cystitis * Active urinary tract infection * Patient history of taking Warfarin (Coumadin) * Intraoperative bladder injury or cystotomy * Physical or mental impairment that would affect the subject's ability to take medications daily or fill out questionnaires * Reported allergy to any of the ingredients in the cranberry, MH, or placebo pill