Von Willebrand Disease is a most common hereditary bleeding disorder that affects the blood's ability to clot properly and caused by a deficiency or defect of a blood clotting protein. Now disorder means it is passed form parent to child through genes. Von Willebrand's Disease occurs from birth and affects both men and women equally. Most cases are mild and in some cases bleeding may occur after srgery. Bleeding also may decrease during pregnancy. Normally bleeding is occurring when blood vessels are cut or torn. The symptoms of von Willebrand disease may change during the time. There are normally 3 types of Von Willebrand: Type 1: Type1 is the most common and mildest form of von willebrand. 70 to 80% people are inherited by autosomal dominant mode. Type 2: Depending on the abnormality the type 2 is further divided in two parts 2A, 2B, 2M, and 2N. Type 2 disease is intermediate in severity. Type3: In this type the people have total absence of von Willebrand factor. It is an ex...