title: Obstetrical analgesia and anesthesia.
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects; D000767:Anesthesia, Epidural; D000768:Anesthesia, General / Q000009:adverse effects; D000773:Anesthesia, Obstetrical / Q000009:adverse effects; D000779:Anesthetics, Local; D004305:Dose-Response Relationship, Drug; D005260:Female; D005333:Fetus / Q000187:drug effects; D006801:Humans; D009407:Nerve Block; D011247:Pregnancy; D012306:Risk
chemical_list: D000701:Analgesics, Opioid; D000779:Anesthetics, Local