NCIt related terms : Hereditary Factor VIII Deficiency Disease; Factor VIII Deficiency; Hereditary factor VIII deficiency;
NCIt definition : An inherited deficiency of coagulation factor VIII characterized by the tendency to
spontaneous or exaggerated post-traumatic hemorrhage. Inherited as an X-linked recessive
disease, hemophilia A is the most common hemophilia, occurring in approximately 1
in 10,000 male births.;
Alternative definition : NICHD: An X-linked recessive deficiency of coagulation factor VIII characterized by
a tendency to bleed. Hemophilia A, the most common type of hemophilia, occurs in approximately
1 in 4,000 to 1 in 5,000 live male births.;