title: Prenatal ultrasound evaluation now possible in first trimester. Nuchal translucency thickness can spot Down's syndrome.
authors: D
authors: D
authors: Krotz
mesh_terms: D004314:Down Syndrome / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009333:Neck / Q000000981:diagnostic imaging; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal