Abnormal labour and pain relief.
D000293:Adolescent; D000328:Adult; D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D007746:Labor Presentation; D007743:Labor, Obstetric; D008423:Maternal Age; D008614:Meperidine / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy*; D010298:Parity; D011225:Pre-Eclampsia / Q000188:drug therapy; D011247:Pregnancy
D008614:Meperidine