1 Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO, 63130, USA; Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA; Center for Women's Health Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA.
2 Center for Women's Health Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA; The Institute of Materials Science & Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA.
3 Department of Biomedical Engineering, Saint Louis University, St. Louis, MO, 63103, USA.
4 Department of Chemical Engineering, Texas A&M University, College Station, TX, 77843, USA.
5 Department of Biomedical Engineering, Columbia University, New York, NY, USA.
6 Department of Mechanical Engineering, Columbia University, New York, NY, USA.
7 Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO, 63130, USA; Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA; Center for Women's Health Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA. Electronic address: oyen@wustl.edu.