Fetal nasal bone length at 19-26 weeks' gestation in Vietnam.

Abstract

Aim: The purpose of this study was to establish the normal range of fetal nasal bone length (NBL) at the second trimester of gestation in Vietnamese pregnancies. Methods: A prospective cross-sectional study was carried out. A total of 2432 singleton pregnancies were evaluated for fetal NBL at 19–26 weeks 6 days between 1 January 2013 and 31 December 2014… (More)
DOI: 10.1111/jog.13051

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