Hemophilia classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Classification

• Hemophilia A has a lack of the clotting Factor VIII. (Hemophilia A occurs in 90% of cases.)
• Hemophilia B has a lack of the clotting Factor IX.
• Hemophilia C has a lack of the clotting Factor XI.