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Variation of Fetal Nasal Bone Length in Second-Trimester Fetuses According to Race and Ethnicity

1 Nov 2005

Abstract excerpt

OBJECTIVE: The purpose of this study was to determine the influence of race and ethnicity on the expected nasal bone length (NBL) based on biparietal diameter (BPD) measured in second-trimester fetuses. METHODS: We searched our ultrasound, obstetric, and cytogenetic databases for all second-trimester fetuses with measured NBLs. Fetuses with Down syndrome were identified and excluded from the analysis. Linear...

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PMID: 16239650
DOI: 10.7863/jum.2005.24.11.1487

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