Keywords: Placenta, Diffusion/other diffusion imaging techniquesCurrently, antenatal noninvasive imaging techniques to directly evaluate placental function remains challenge. The objective of this study was using diffusion-relaxometry correlated spectrum imaging (DR-CSI) as a tool to probe the possible placental composition changes over gestation in normal pregnancy. Four to five peaks were visible in the D-T2 spectrum for most subjects. DR-CSI compartments were defined according to peak distribution. Significant correlation between DR-CSI compartment volume fractions and GA was found. We suggested that the DR-CSI technique could be used to reveal features of placental composition.
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