External monitoring of the fetus during pregnancy and labor.
D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D007743:Labor, Obstetric; D010701:Phonocardiography; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014465:Ultrasonics