Moderately Severe Hemophilia A

Moderately severe hemophilia A is a form of hemophilia A (see this term) characterized by factor VIII deficiency leading to abnormal bleeding as a result of minor injuries, or following surgery or tooth extraction.
Epidemiology
Moderately severe hemophilia A accounts for around 20% of all cases of hemophilia A.
Clinical description
The biological activity of factor VIII is between 1% and 5%. Spontaneous hemorrhages are rare.
Etiology
The disorder is caused by mutations in the F8 gene (Xq28) encoding coagulation factor VIII.
Genetic counseling
Transmission is X-linked recessive.