Transvaginal sonographic examination of the fetal nasal bone is unable to predict Down syndrome at 14-16 weeks' gestation.
Bronshtein
M
M
Blazer
S
S
Zimmer
E Z
EZ
D004314:Down Syndrome / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D009295:Nasal Bone / Q000000981:diagnostic imaging* / Q000196:embryology; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal / Q000592:standards*