No sonographer, no radiologist: New system for automatic prenatal detection of fetal biometry, fetal presentation, and placental location

Junior Arroyo, Thomas J Marini, Ana C Saavedra, Marika Toscano, Timothy M Baran, Kathryn Drennan, Ann Dozier, Yu Tina Zhao, Miguel Egoavil, Lorena Tamayo, Berta Ramos and Benjamin Castaneda

PLOS ONE, 2022, vol. 17, issue 2, 1-21

Abstract: Ultrasound imaging is a vital component of high-quality Obstetric care. In rural and under-resourced communities, the scarcity of ultrasound imaging results in a considerable gap in the healthcare of pregnant mothers. To increase access to ultrasound in these communities, we developed a new automated diagnostic framework operated without an experienced sonographer or interpreting provider for assessment of fetal biometric measurements, fetal presentation, and placental position. This approach involves the use of a standardized volume sweep imaging (VSI) protocol based solely on external body landmarks to obtain imaging without an experienced sonographer and application of a deep learning algorithm (U-Net) for diagnostic assessment without a radiologist. Obstetric VSI ultrasound examinations were performed in Peru by an ultrasound operator with no previous ultrasound experience who underwent 8 hours of training on a standard protocol. The U-Net was trained to automatically segment the fetal head and placental location from the VSI ultrasound acquisitions to subsequently evaluate fetal biometry, fetal presentation, and placental position. In comparison to diagnostic interpretation of VSI acquisitions by a specialist, the U-Net model showed 100% agreement for fetal presentation (Cohen’s κ 1 (p

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0262107

DOI: 10.1371/journal.pone.0262107

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