Patients with type O blood have been reported to have more bleeding complication than those of other pooled blood groups (OR 1.33)
Prior studies on postpartum hemorrhage by blood type
- Yielded mixed results
- Did not separate by mode of delivery
Obstetrics, blood type, postpartum hemorrhage, vaginal delivery, cesarean delivery
Medicine and Health Sciences | Obstetrics and Gynecology
Burd, MD, Julia; Quist-Nelson, MD, Johanna; Edwards, MD, Sara; Suhag, MD, Anju; Berghella, MD, Vincenzo; and Nijjar, MD, J. Biba, "Association Between ABO Blood Type and Postpartum Hemorrhage by Mode of Delivery: A Retrospective Cohort Study" (2020). Department of Obstetrics and Gynecology Posters. 13.