title: The migration and transformation of certain operating rooms.
mesh_terms: D001513:Beds; D002585:Cesarean Section; D003696:Delivery Rooms / Q000458:organization & administration*; D004865:Equipment and Supplies, Hospital; D005260:Female; D006748:Hospital Departments / Q000458:organization & administration*; D006801:Humans; D009321:Natural Childbirth; D009775:Obstetrics and Gynecology Department, Hospital / Q000458:organization & administration*; D009873:Operating Rooms / Q000458:organization & administration*; D011247:Pregnancy; D014481:United States