1 Department of Anesthesiology, Northwestern University Feinberg School of Medicine, Center for Healthcare Studies, Chicago, Illinois, p-toledo@northwestern.edu Department of Organizational Systems and Adult Health, University of Maryland School of Nursing, Baltimore, Maryland Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina American College of Osteopathic Obstetricians and Gynecologists, Fort Worth, Texas Department of Obstetrics and Gynecology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania American College of Obstetricians and Gynecologists, Washington, DC.