PSYCHOPROPHYLACTIC PREPARATION FOR CHILDBIRTH.
D000758:Anesthesia; D000768:Anesthesia, General; D000769:Anesthesia, Inhalation; D000773:Anesthesia, Obstetrical; D001315:Australia; D001945:Breathing Exercises; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D009321:Natural Childbirth; D009609:Nitrous Oxide; D009774:Obstetrics; D010100:Oxygen; D026741:Physical Therapy Modalities; D011247:Pregnancy
D009609:Nitrous Oxide; D010100:Oxygen
ANESTHESIA, GENERAL; ANESTHESIA, INHALATION; ANESTHESIA, OBSTETRICAL; AUSTRALIA; BREATHING EXERCISES; NATURAL CHILDBIRTH; NITROUS OXIDE; OXYGEN; PHYSICAL THERAPY; PREGNANCY