Overview
Dr. Federspiel is a maternal fetal medicine physician at Duke University. His clinical and research interests focus on the care of people with cardiovascular and hematologic complications of pregnancy.
Current Appointments & Affiliations
Assistant Professor of Obstetrics and Gynecology
·
2022 - Present
Obstetrics and Gynecology, Maternal Fetal Medicine,
Obstetrics and Gynecology
Assistant Professor in Population Health Sciences
·
2023 - Present
Population Health Sciences,
Basic Science Departments
Assistant Professor in Medicine
·
2024 - Present
Medicine, Hematology,
Medicine
Recent Publications
Postoperative venous thromboembolism following cesarean delivery: prevalence, pathophysiology, diagnosis, treatment, and prevention
Journal Article American Journal of Obstetrics and Gynecology · January 1, 2026 Venous thromboembolism contributes to approximately 10% of pregnancy-associated deaths in the United States, with the highest incidence rate in the immediate postpartum period. Cesarean deliveries are associated with 4-fold relative risk of venous thromboe ... Full text CiteProphylactic-Dose Rivaroxaban Transfer Into Human Milk.
Journal Article Obstet Gynecol · December 18, 2025 Direct oral anticoagulants are increasingly used for postoperative thromboprophylaxis, but use is limited in postpartum populations in the absence of data informing transfer into human milk. We evaluated the excretion of prophylactic-dose rivaroxaban into ... Full text Link to item CiteNormal-Range Gestational Glucose Challenge Test and Incident Type 2 Diabetes: A Population-Based Cohort Study.
Journal Article Diabetes Care · December 9, 2025 Full text Link to item CiteRecent Grants
State reproductive health policy as a determinant for maternal health
ResearchCo Investigator · Awarded by National Institutes of Health · 2025 - 2030Duke Women's Reproductive Health Research Scholars
Inst. Training Prgm or CMEScholar · Awarded by Eunice Kennedy Shriver National Institute of Child Health and Human Development · 2020 - 2030Innovative data science and geospatial methods to identify environmental drivers of disparities in hypertensive disorders of pregnancy and blood pressure over time
ResearchCo Investigator · Awarded by National Institutes of Health · 2025 - 2029View All Grants
Education, Training & Certifications
University of North Carolina, Chapel Hill, School of Medicine ·
2015
M.D.
University of North Carolina, Chapel Hill ·
2013
Ph.D.