Detection of fetal life and growth by means of ultrasonic A-scan.
The results achieved in obstetrics by the application of ultrasonic A-scan technique are described. By means of the method fetal life and, from the rate of growth of the biparietal diameter, fetal development were determined in normal and pathological pregnancies.
D005260:Female; D005313:Fetal Death / Q000175:diagnosis*; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D011225:Pre-Eclampsia / Q000175:diagnosis; D011247:Pregnancy; D014465:Ultrasonics / Q000379:methods; D014463:Ultrasonography