Fetal heart rate throughout pregnancy.
D001835:Body Weight; D005314:Embryonic and Fetal Development; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D005865:Gestational Age; D006339:Heart Rate; D006801:Humans; D010275:Parasympathetic Nervous System / Q000254:growth & development; D011247:Pregnancy; D014463:Ultrasonography