Active recruitment: 12 months Randomised controlled trial: 6 months Short-term Follow-up: 12 months 3.1. Active recruitment After Ethics Committee approval patient recruitment will be started. Information material about the study, including contact details, will be provided at the outpatient clinics of the Dep. of Gynecology, the Dep. of Urology, and other local health care providers. During an initial visit patients will be informed about the study and inclusion and exclusion criterias will be evaluated. A structured medical history, including assessment of previous UTIs and other urogenital tract symptoms, will be obtained. After written informed consent is obtained participants will be randomized.