File:Trisomy 21 - nuchal translucency graph 02.jpg

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Trisomy 21 - Nuchal Translucency Graph

  • Mixture model distributions of nuchal translucency (NT) in mm and distributions of NT multiple of the median (MoM) values in Down's syndrome and unaffected pregnancies at 11, 12 and 13 completed weeks' gestation.
  • Truncation limits shown (vertical lines) are those specified by Wright et al. [1]


Favourable outcomes have been observed in 92% of babies with nuchal translucency of 3.4 mm (95th centile) compared to 18% of those with nuchal translucency of ≥6.5 mm


Links: GA week 11 graph | GA week 11-13 graph | Trisomy 21 | Ultrasound

Reference

Bestwick JP, Huttly WJ & Wald NJ. (2010). Evaluation of a proposed mixture model to specify the distributions of nuchal translucency measurements in antenatal screening for Down's syndrome. J Med Screen , 17, 13-8. PMID: 20356940 DOI.


  1. Wright D, Kagan KO, Molina FS, Gazzoni A & Nicolaides KH. (2008). A mixture model of nuchal translucency thickness in screening for chromosomal defects. Ultrasound Obstet Gynecol , 31, 376-83. PMID: 18383462 DOI.

Copyright

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Figure 1 F1.large.jpg Panel ! from figure.


Cite this page: Hill, M.A. (2024, April 27) Embryology Trisomy 21 - nuchal translucency graph 02.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Trisomy_21_-_nuchal_translucency_graph_02.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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