Assessment of Changes in Vaginal Microbiota Profiles Before and After Vaginal Urogynecologic Surgery

Inclusion Criteria: * All Caucasian menopausal women (not taking hormone substitutes) * Due to undergo transvaginal surgery (as a cure for pelvic organ prolapse or stress urinary incontinence surgery) from the Gynecology departments of Nantes and Nîmes University Hospitals. * Patients must be covered by a health insurance policy * Patients must have given written, informed consent. Exclusion Criteria: * Patients on recent (\<1 month) immunosuppressive therapy, * Patients with ongoing antibiotic therapy, * Patients with chronic vaginosis, * Patients on hormone replacement therapy * Patients who have had previous transvaginal mesh surgery. * Patients taking part in another category 1 study for research involving human subjects. * Patients in an exclusion period determined by another study * Patients under court custody, guardianship or curatorship * Patients for whom it has been impossible to give clear information