RT Book, Section A1 Cunningham, F. Gary A1 Leveno, Kenneth J. A1 Dashe, Jodi S. A1 Hoffman, Barbara L. A1 Spong, Catherine Y. A1 Casey, Brian M. SR Print(0) ID 1190768443 T1 Thromboembolic Disorders T2 Williams Obstetrics, 26e YR 2022 FD 2022 PB McGraw Hill PP New York, NY SN 9781260462739 LK obgyn.mhmedical.com/content.aspx?aid=1190768443 RD 2024/04/24 AB During the past century, the frequency of venous thromboembolism (VTE) during the puerperium decreased remarkably as early ambulation became routine practice. Despite this and other advances in prevention and treatment, thromboembolism remains a leading cause of maternal morbidity and mortality (Abe, 2019). Thrombotic pulmonary embolism accounted for almost 10 percent of pregnancy-related deaths in the United States between 2011 and 2015 (Creanga, 2017; Petersen, 2019).