Background: The object of perineal cutting (Episiotomy) is to increase the diameter of outlet pelvic on normal vaginal delivery. This procedure is the commonest surgery cutting in obstetrics the cesarean is the commonest surgery that it s rate incressing in Iran and world. Objective: The object of this systematic review is to summarize the clinical trial performed in Iran and worl. https://ashleyshomestores.shop/product-category/lift-top-desk/