title: Opioids and obstetrics.
mesh_terms: D000698:Analgesia / Q000009:adverse effects; D000700:Analgesics / Q000494:pharmacology*; D000773:Anesthesia, Obstetrical; D001238:Asphyxia Neonatorum / Q000139:chemically induced; D005260:Female; D005333:Fetus / Q000187:drug effects; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000139:chemically induced; D008431:Maternal-Fetal Exchange; D008614:Meperidine / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology; D009269:Nalorphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology; D009294:Narcotics / Q000009:adverse effects / Q000032:analysis / Q000494:pharmacology*; D010111:Oxymorphone; D011247:Pregnancy; D019966:Substance-Related Disorders / Q000150:complications
chemical_list: D000700:Analgesics; D009292:Narcotic Antagonists; D009294:Narcotics; D009270:Naloxone; D009020:Morphine; D008614:Meperidine; D010111:Oxymorphone; D009269:Nalorphine