New MRI method provides detailed view of placenta during pregnancy

$(a) Cross-sectional schematic diagram of placenta showing five cotyledons. (b) Three-dimensional graph showing multivariate mixture distribution. (c–e) Schematic diagrams revealing three compartments of the cotyledon outlined with dashes in (a): intervillous space (IVS) (c), maternal and fetal placental vessels (PV) (d) and placental tissue (PT) (e). (f–h) Radar plots displaying magnetic resonance imaging parameters of 22 healthy pregnancies in each cluster. (i–k) Boxplots showing mean fractional anisotropy (FA) (i), T2* (j) and axial diffusivity (AD) (k) values of the three clusters. Each circle represents one patient, box is interquartile range, horizontal line within box is median, whiskers are 5 th and 95 th percentiles and + is mean. All analyses were performed on three-dimensional data. ADC, apparent diffusion coefficient; RD, radial diffusivity. Credit: Ultrasound in Obstetrics & Gynecology (2022). DOI: 10.1002/uog.24959$
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