Parenteral use of promethazine in the first stage of labor.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D008614:Meperidine; D059408:Pain Management; D011247:Pregnancy; D011398:Promethazine / Q000627:therapeutic use*
D008614:Meperidine; D011398:Promethazine
LABOR/anesthesia and analgesia; MEPERIDINE/anesthesia and analgesia; PROMETHAZINE/therapeutic use