This also known as classic hemophilia, a person with this type of hemophilia has low levels of or is completely missing factor 8 (Also called FVIII or factor VIII deficiency) 80% of people with hemophilia have Type A Hemophilia. Factor VIII deficiency usually manifests in males.
In about 30% of cases, there is no family history of this bleeding disorder and it is just a spontaneous genetic mutation. About 1 in 5,000 males born in the United States has hemophilia. All economic groups and races are affected equally.
This person has low levels of or is completely missing factor 9 (Also called FIX or factor IX deficiency) 20% of people with hemophilia have Type B Hemophilia. Factor IX deficiency usually manifests in males.
Hemophilia B was originally called “Christmas Disease” when it was first diagnosed in 1952. About 30% of cases of Hemophilia B are caused by spontaneous genetic mutation.
Hemophilia B is much less common than Hemophilia A. It occurs in about 1 in 25,000 male births, and affects about 3,300 individuals in the United States. All races and economic groups are affected equally.
This person has low levels of or is missing completely factor 11 (Also called FXI or factor XI deficiency) Hemophilia C is 10 times more rare than type A. Factor XI deficiency is different because it can show up in both males and females.