Sinusoidal fetal heart rate.
D000522:Alphaprodine / Q000494:pharmacology; D005260:Female; D005323:Fetal Monitoring / Q000379:methods*; D006340:Heart Rate, Fetal / Q000187:drug effects; D006801:Humans; D007231:Infant, Newborn; D008614:Meperidine / Q000494:pharmacology; D011247:Pregnancy; D011256:Pregnancy Outcome; D011379:Prognosis; D012203:Rh Isoimmunization / Q000150:complications
D000522:Alphaprodine; D008614:Meperidine