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Updated: Jan 9, 2026

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Improving the consistency and reproducibility of first-trimester nasal bone assessment: a new classification in a

Wen-Ling Song1,2, Hai-Ou Ma3, Lei Han3

  • 1Department of Ultrasound Center, The First Hospital of Jilin University, Changchun, China.

BMC Pregnancy and Childbirth
|December 1, 2025
PubMed
Abstract

No abstract available in PubMed .

Keywords:
First-trimesterNasal bone absenceNuchal translucency viewRetronasal triangle viewRetrospective study

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