Luke A Gatta1, Xuezhi Jiang, Peter F Schnatz. 1. Department of ObGyn, Drexel University College of Medicine, Philadelphia, Pennsylvania Department of ObGyn, Reading Hospital, Reading, Pennsylvania Department of ObGyn, Reading Hospital, Reading, Pennsylvania Department of ObGyn, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania Departments of ObGyn and Internal Medicine, Reading Hospital, Reading, Pennsylvania Departments of ObGyn and Internal Medicine, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania.