Effect of meperidine on uterine contractility during pregnancy and prelabor.
D005260:Female; D005313:Fetal Death; D005333:Fetus; D006339:Heart Rate; D006801:Humans; D007275:Injections, Intravenous; D007743:Labor, Obstetric / Q000187:drug effects*; D008614:Meperidine / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D011247:Pregnancy; D014599:Uterus / Q000187:drug effects*
D008614:Meperidine