R. Bartin

Objective To assess fetal density throughout gestation using magnetic resonance imaging (MRI) and its potential application in early fetal weight estimation. Methods This single-center prospective study included healthy pregnant women with a singleton fetus at 16–36 weeks' gestation evaluated between December 2021 and June 2022, and was conducted as part of the ‘Lumiere on the Fetus’ trial.

Supporting Information Filename Description uog29234-sup-0001-FigureS1.pngPNG image, 797.6 KB Figure S1 Scatterplot showing association between fetal density (measured as ratio: ultrasound-based estimated fetal weight/magnetic resonance imaging-based fetal body volume) and gestational age from 16 to 36 gestational weeks. The solid blue line indicates the density of water (1g/cm3, by definition) and dashed red line is the trend line. REFERENCES 1, , , et al.

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