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

@article{Zoppi2003AbsenceOF,
  title={Absence of fetal nasal bone and aneuploidies at first-trimester nuchal translucency screening in unselected pregnancies.},
  author={Maria Angelica Zoppi and R. Ibba and Carolina Axiana and Marcella Floris and Fabiola Manca and Giovanni Monni},
  journal={Prenatal diagnosis},
  year={2003},
  volume={23 6},
  pages={496-500}
}
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 21 were calculated using the Fetal Medicine Foundation's software, and the presence… CONTINUE READING

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