Women's Health Weekly
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Down Syndrome
Fetal nasal bone length useful in diagnosis
September 1st, 2005
Measurement of fetal nasal bone length may improve in utero diagnosis of Down syndrome. Scientists in Italy conducted a study to "assess the feasibility of measuring nasal bone length in the second trimester of pregnancy, and to confirm if fetal nasal bone absence or hypoplasia is a marker for Down syndrome." "Fetal nasal bone assessment was performed in 439 consecutive singleton pregnancies at high risk of Down syndrome between 15 and 21 weeks," according to E. Viora and coauthors at the Sant'Anna Hospital in Turin. "All ultrasound examinations were performed transabdominally by five skilled sonographers." "If the nasal bone was...
Source: Women's Health Weekly (2005-09-01)
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