THE FETAL HEART RATE.
D001145:Arrhythmias, Cardiac; D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart; D006339:Heart Rate; D006340:Heart Rate, Fetal; D006801:Humans; D010701:Phonocardiography; D011247:Pregnancy; D011248:Pregnancy Complications
ARRHYTHMIA; ELECTROCARDIOGRAPHY; FETAL HEART; HEART RATE; PHONOCARDIOGRAPHY; PREGNANCY; PREGNANCY COMPLICATIONS