This recent article by Arthuis et al. highlights the benefits of using Ultra High Frequency (UHF) Ultrasound with Photoacoustics to assess placental oxygenation in a rat model at mid-to-late gestation.  Article Summary: •    Impaired fetal oxygen delivery …

The image on the left was acquired while the mother was breathing 100% oxygen. The image on the right was acquired while the mother was breathing medical air (20% O2). In vivo 3D rendered coregistered high-resolution ultrasound (greyscale) and …

Figure 1: Ultrasound-guided photoacoustic imaging of rat placental oxygenation. (A,D) Ultrasound images of fetal anatomy at gestational day 16.5 (A) and day 18.5 (D) of normal pregnancy. (B,E) PA signal overlaid on the ultrasound shows strong attenuation …

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