Fetal Medicine Foundation Nuchal Translucency Calculator 'link' Jun 2026

to estimate a "posterior risk" by combining a patient’s "prior risk" (based on maternal age and history) with specific biophysical and biochemical markers. The Fetal Medicine Foundation Primary Biomarker Nuchal Translucency (NT)

The nuchal translucency (NT) calculator is a professional tool used to estimate the risk of chromosomal abnormalities, such as Trisomy 21 (Down syndrome) . It uses a mathematical algorithm to combine maternal factors with ultrasound measurements taken during the first trimester. Core Calculation Requirements fetal medicine foundation nuchal translucency calculator