The ultrasonic Doppler cardioscope in obstetrics.
D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D005313:Fetal Death / Q000175:diagnosis; D005315:Fetal Diseases / Q000175:diagnosis; D005318:Fetal Heart; D006326:Heart Auscultation / Q000295:instrumentation; D006801:Humans; D006828:Hydatidiform Mole / Q000175:diagnosis; D011247:Pregnancy; D011674:Pulse / Q000295:instrumentation*; D014465:Ultrasonics / Q000295:instrumentation*