Transvaginal sonographic evaluation of fetal anatomy at 14 to 16 weeks. Why is this technique not attractive in the United States?
Timor-Tritsch
I E
IE
Department of Obstetrics and Gynecology, New York University School of Medicine, New York, USA.
D001921:Brain / Q000196:embryology; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D005333:Fetus / Q000002:abnormalities*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D016216:Ultrasonography, Prenatal / Q000379:methods*; D014481:United States