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Types of Hemophilia

Hemophilia A
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.

Hemophilia B
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.

Hemophilia C
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.

 

Related post:

What is Hemophilia?

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