EFFICACY OF EDUCATION FOR CHILDBIRTH.
D000375:Aging; D001007:Anxiety; D001794:Blood Pressure; D004493:Education; D005260:Female; D006801:Humans; D006993:Hypnotics and Sedatives; D007743:Labor, Obstetric; D009609:Nitrous Oxide; D009790:Occupations; D010146:Pain; D036801:Parturition; D010502:Perineum; D011247:Pregnancy; D011295:Prenatal Care
D006993:Hypnotics and Sedatives; D009609:Nitrous Oxide
AGING; ANXIETY; BLOOD PRESSURE; EDUCATION; HYPNOTICS AND SEDATIVES; LABOR; NITROUS OXIDE; OCCUPATIONS; PAIN; PERINEUM; PREGNANCY; PRENATAL CARE