Support for sufferers of the Factor Five Leiden blood clotting disorder, an inherited blood condition discovered in 1995. History, glossary, and meeting information (Oregon).

Factor V Leiden is the most common hereditary blood coagulation disorder in the United States. It is present in 5% of the American population.

Information about these rare medical conditions, anticoagulant therapy, research and online forum.

Information about topics related to the pathophysiology, pharmacology, and clinical aspects of bleeding, coagulation, and hemostasis, including information about recombinant coagulation Factor VIIa.