Von Willebrand disease is a type of blood disorder that causes the blood to clot improperly. Blood contains numerous proteins that aid in blood clotting when necessary. Von Willebrand factor is one of these proteins (VWF). VWD patients have either a low level of VWF in their blood or the VWF protein does not function properly. von Willebrand disease is frequently confused with hemophilia, but it is a distinct condition with a distinctive bleeding pattern. It has an equal impact on both men and women, while hemophilia mainly affects men. A parent who has VWD has a 50% chance of passing the gene on to their child. There are two forms of the disease: inherited and acquir...