Maintenance of pelvic floor integrity during childbirth.
D036861:Delivery, Obstetric; D004841:Episiotomy; D005260:Female; D005333:Fetus; D006801:Humans; D007743:Labor, Obstetric; D008405:Massage; D010388:Pelvis / Q000502:physiology*; D010502:Perineum; D011247:Pregnancy