Inclusion Criteria:  Female Age > 18 years old English speaking OAB symptoms for greater than 3 months duration defined as: Urgency: Answer to OAB-q3 > 4] Frequency: greater than 8 voids on bladder diary during waking hours and OAB-q1 > 3 No urinary urge incontinence: OAB-q8 < 2 and OAB-q4 < 2 No significant pelvic pain: fGUPI4 < 4  Exclusion Criteria:  Age less than 18 Pregnancy Vaginal infection or lesion Neurogenic bladder Immunocompromised state (hx of transplant, on immunosuppressing drugs) PVR >150cc Urinary tract infections Neurogenic bladder Reduced perception of vaginal sensation Metallic implants Implanted electrical devices (i.e. pace maker)