Abstract #4810

Safety of 3T MRI Scan for pregnant women: Effect of Maternal Size, Maternal Position and Twin Pregnancy

Esra Abaci Turk¹, Filiz Yetisir², Borjan Gagoski¹, Bastien Guerin^3,4, Natalie Copeland¹, Lawrence Wald^3,4,5, Elfar Adalsteinsson^2,5, and P. Ellen Grant¹

¹Fetal-Neonatal Neuroimaging & Developmental Science Center, Boston Children's Hospital, Boston, MA, United States, ²Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA, United States, ³Harvard Medical School, Boston, MA, United States, ⁴A. A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, United States, ⁵Harvard-MIT Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, United States

Possible temperature increase due to RF exposure during MRI scan of pregnant women can be critical for the fetus. In this study, we perform electromagnetic and temperature simulations using different pregnant women models with different postures. We assess the variability of in-utero RF induced heating in a 3T birdcage coil for different models generated by segmenting structural MR images.

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