[Prognosis of fetal heart tones by means of electrophonocardiography].
D005260:Female; D005318:Fetal Heart; D005333:Fetus / Q000502:physiology*; D006801:Humans; D010701:Phonocardiography; D011247:Pregnancy; D011379:Prognosis
FETUS/physiology; PHONOCARDIOGRAPHY/in pregnancy