This pilot prospective cohort study investigated fetal and maternal body composition in the third trimester of pregnancy using 3D stack-of-radial free-breathing MRI. Nine women with healthy pregnancies, gestational diabetes, or fetal growth restriction were included. Fetal subcutaneous fat and liver fat, as well as maternal liver fat, subcutaneous fat, and visceral fat were successfully measured. Maternal body composition was associated with fetal body composition. Pregnancies complicated by gestational diabetes appear to alter fetal body composition.
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