Thromboembolic Disorders in Pregnancy By Lara A Friel, MD, PhD, University of Texas Health Medical School at Houston, McGovern Medical School Reviewed / Revised Oct 2021 | Modified Sep 2022 View Patient Education Diagnosis Treatment Key Points In the US, thromboembolic disorders— deep venous thrombosis (DVT) or pulmonary embolism (PE) —are a leading cause of maternal mortality.