Inclusion Criteria:  Postmenopausal patient with pelvic pain due to vaginal atrophy after failure of all non-invasive therapies for more than 3 months. Patient recruited during a consultation in the Gynecology department of the University Hospital of Nîmes or at the KARIS Medical Center in Perpignan and having undergone a complete clinical examination allowing any physical and / or psychological cause to be eliminated. Patient who has given her free and informed consent. Patient affiliated or beneficiary of a health insurance plan.  Exclusion Criteria:  Patient not available for the 6-week follow-up. Patient presenting with pelvic pain of physical and / or psychological origin. Patient undergoing treatment for cancer or with immunosuppression. Allergy to the material e.g. latex Pregnancy. Implantable device active in the heart such as a defibrillator or a pacemaker, neuromodulation stimulator, electrodes implanted for the treatment of Parkinson's disease. Epilepsy, photophobia, recent intake of photosensitizing drugs or cosmetics (in the last 6 months), history of porphyria. Patient participating in category 1 interventional study. Patient in an exclusion period determined by another study. Patient under legal protection, under guardianship or under curatorship. Patient for whom it is impossible to give informed information.