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Normative curves of fetal nasal bone length for the ethnic Chinese population

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Abstract

Objective

The purpose of this study is to determine the association between fetal nasal bone length (NBL) and gestational age (GA), biparietal diameter (BPD) and head circumference (HC) in women undergoing prenatal assessments and Down syndrome screening.

Methods

Cross-sectional data were obtained from 3,003 women with singleton pregnancies who underwent a prenatal ultrasound examination at the Department of Obstetrics and Gynecology, Cheng Hsin General Hospital between August 2006 and July 2009.

Results

Statistical analyses involved linear regression. NBL with GA, BPD and HC as measured between 14+0 and 35+6 weeks of gestation were linearly related.

Conclusions

Using multiple parameters(GA, BPD and HC) to estimate NBL is more accurate than using than using GA or BPD or HC alone, as indicated by the higher predictive value.

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Acknowledgments

This study was supported by Grants from the National Science Council (NSC97-2320-B-010-004 and NSC98-2314-B-350-002-MY3).

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Correspondence to F.-Y. Yang.

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Chiu, WH., Tung, TH., Chen, Ys. et al. Normative curves of fetal nasal bone length for the ethnic Chinese population. Ir J Med Sci 180, 73–77 (2011). https://doi.org/10.1007/s11845-010-0520-4

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  • DOI: https://doi.org/10.1007/s11845-010-0520-4

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