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Article

Absence of fetal nasal bone and aneuploidies at first‐trimester nuchal translucency screening in unselected pregnancies

14 May 2003

Abstract excerpt

OBJECTIVES: The absence of nasal bone (NB) has been noted in trisomy 21 fetuses at first-trimester ultrasound, in high-risk pregnancies. In this study, the nasal bone was evaluated in relation to fetal karyotype, in unselected pregnancies. METHODS: From September 2001 to September 2002, the fetal facial profile was examined at the 11 to 14 weeks' scan for screening by nuchal translucency (NT). Risks for trisomy...

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PMID: 12813765
DOI: 10.1002/pd.628

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