Related Experiment Video
Updated: May 9, 2025

Investigating von Willebrand Factor Pathophysiology Using a Flow Chamber Model of von Willebrand Factor-platelet String Formation
Published on: August 14, 2017
Von Willebrand disease (VWD) and pregnancy: a comprehensive overview
Hamed Soleimani Samarkhazan1, Mohammad Navid Khaksari2,3, Ali Rahmati4
1Student Research Committee, Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract:
Von Willebrand disease (VWD) is a hereditary bleeding disorder characterized by a quantitative or qualitative deficiency of von Willebrand factor (VWF). Pregnancy significantly impacts hemostasis, leading to a hypercoagulable state. However, women with VWD experience unique challenges due to the interplay between pregnancy-related hormonal changes and VWF deficiencies. This review delves into the intricate relationship between VWD and pregnancy. We explored the physiological changes that occur during pregnancy, including hormonal fluctuations, hemodilution, and alterations in platelet-VWF interactions. We discuss how these changes can exacerbate bleeding tendencies in women with VWD, particularly during childbirth and the postpartum period. This review highlights the increased risk of postpartum hemorrhage (PPH) in women with VWD and the potential for severe maternal morbidity and mortality. We examine the various types of VWD and their specific implications for pregnancy outcomes. Additionally, we discuss the challenges associated with diagnosing and managing VWD during pregnancy, as well as the importance of prenatal counseling and careful monitoring. The management of VWD during pregnancy involves a multidisciplinary approach, including the use of prophylactic treatments, such as desmopressin and tranexamic acid, as well as factor replacement therapy when necessary. Careful planning of delivery, including the choice of delivery mode and the timing of interventions, is essential to minimize bleeding complications. By understanding the complexities of VWD during pregnancy and implementing appropriate management strategies, healthcare providers can significantly improve the outcomes for women with VWD and their offspring.
Related Concept Videos
Disorders of Hemostasis
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Overview of the Vascular System
Formation of the Platelet Plug
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
Development of Blood Vessels
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
Rh Blood Group
Fetal Circulation
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...

