Pain during childbirth.
D000223:Adaptation, Psychological; D036861:Delivery, Obstetric / Q000523:psychology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric / Q000523:psychology*; D009035:Mothers / Q000193:education*; D010146:Pain / Q000209:etiology / Q000517:prevention & control; D010353:Patient Education as Topic / Q000379:methods; D011247:Pregnancy; D014481:United States