C A Lupinacci

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OBJECTIVE To determine the best measure of fetal nasal bone hypoplasia for trisomy 21 risk assessment in the second trimester. METHODS This was a prospective, observational study performed at a single institution between February 2003 and December 2005. Fetuses with nasal bone length recorded sonographically between 16 and 20.9 weeks and known karyotype(More)
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