Use of Platelet Rich Plasma from Cord Blood Vs Placebo in the Treatment of Vulvar Lichen Sclerosus

Injection of CB-PRP or placebo into the vulvar site. Three treatments are planned four weeks apart. Three and six months after the last treatment with CB-PRP/ placebo each participant will be re-evaluated by vulvoscopy and biopsy, and will be given validated questionnaires to assess satisfaction, symptoms, and quality of life, psychological state, and sexual function.