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Ultrasonography in the detection of aneuploidy in the first trimester
M T Cullen1, J J Green, A L Scioscia
1Department of Obstetrics and Gynecology, Florida Hospital, Orlando 32803, USA.
Abstract:
Ultrasonography has been used increasingly in the first trimester to identify fetal anomalies as early as possible in gestation. First trimester sonographic screening may detect a greater proportion of aneuploid fetuses than sonography performed later in pregnancy, and it may allow determination of potential markers for prediction of chromosomal anomalies.