title: [Ultrasonic device for studying respiratory movements of the fetus].
abstract: A simple ultrasonic doppler device based on the Soviet models of echotachocardiographs is proposed. It is designed for recording fetal respiratory motions. With the device, the method will find more wide applications in detecting fetal conditions.
mesh_terms: D005260:Female; D005324:Fetal Movement; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000295:instrumentation*; D012119:Respiration; D014463:Ultrasonography / Q000295:instrumentation*
vernacular_title: Ul'trazvukovoe ustroĭstvo dlia issledovaniia dykhatel'nykh dvizheniĭ ploda.