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contentuptodate· Content· item f1_50_1835

©2013 UpToDate ® Print Email Prevalence of congenital heart disease in chromosomally normal fetuses according to nuchal translucency thickness Nuchal translucency thickness, mm Prevalence per 1000 fetuses 3.5 to 4.4 28.9 4.5 to 5.4 90.9 ≥5.5 195.1 Adapted from: Hyett, J, Perdu, M, Sharland, G, et al. BMJ 1999; 318:81.