Effects of childbirth preparation.
D000698:Analgesia; D000758:Anesthesia; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008297:Male; D009042:Motivation; D010298:Parity; D010353:Patient Education as Topic; D011247:Pregnancy; D011295:Prenatal Care / Q000379:methods* / Q000523:psychology; D012959:Socioeconomic Factors