Washington University 1 article published in JoVE Bioengineering Electromyometrial Imaging of Uterine Contractions in Pregnant Women Hui Wang*1,2,3, Zichao Wen*2,3, Wenjie Wu2,3,4, Zhexian Sun2,3,4, Qing Wang5, Alan L. Schwartz6, Phillip Cuculich7, Alison G. Cahill8, George A. Macones8, Yong Wang2,3,4,5 1Department of Physics, Washington University, 2Center for Reproductive Health Sciences, Washington University School of Medicine, 3Department of Obstetrics and Gynecology, Washington University School of Medicine, 4Department of Biomedical Engineering, Washington University, 5Mallinckrodt Institute of Radiology, Washington University School of Medicine, 6Department of Pediatrics, Washington University School of Medicine, 7Department of Cardiology, Washington University School of Medicine, 8Department of Women's Health, University of Texas at Austin, Dell Medical School We present a protocol for conducting electromyometrial imaging (EMMI), including the following procedures: multiple electromyography electrode sensor recordings from the body surface, magnetic resonance imaging, and uterine electrical signal reconstruction.