Pain relief during labor. ACOG Committee Opinion: Committee on Obstetrics: Maternal and Fetal Medicine Number 118--January 1993.
D016362:Analgesia, Obstetrical; D000767:Anesthesia, Epidural / Q000191:economics*; D000773:Anesthesia, Obstetrical / Q000191:economics*; D005260:Female; D006801:Humans; D007349:Insurance, Health, Reimbursement / Q000592:standards*; D011247:Pregnancy; D012955:Societies, Medical; D014481:United States