The genetic sonogram in second trimester down syndrome screening.
Egan
James F X
JF
Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Saint Francis Hospital and Medical Center, Hartford, Connecticut 06105, USA. jegan@stfranciscare.org
D004314:Down Syndrome / Q000000981:diagnostic imaging*; D005260:Female; D005820:Genetic Testing / Q000379:methods* / Q000592:standards; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal