Urinary continence depends on a closed and empty urethra with high urethral pressure. Two main factors are responsible for that, an intact internal urethral sphincter (IUS) which is a collagen-muscle tissue cylinder that extends from the bladder neck to the perineal membrane in men and women. The second factor is the presence of high alpha-sympathetic tone at the IUS gained by learning in early childhood. Defects in either of these two factors will lead to urinary incontinence. Childbirth trauma causes invisible lacerations of the collagen chassis of the vagina leading to vaginal prolapse; of...