Haemophilia A and B are rare inherited bleeding disorders due to reduced factor VIII (FVIII) or factor IX (FIX) activity, occurring in 1 in 10,000 and 1 in 50,000 of the population respectively1,2. Several other bleeding disorders such as deficiencies of factors I, II, V, VII, X, XI and XIII are even rarer. When the deficiency is severe these disorders present with spontaneous bleeding whilst for milder disorders traumatic bleeding is observed3. When bleeding occurs patients are treated with clotting factor concentrates which can be plasma derived or recombinant. Individuals with inherited bleeding disorders are cared for in Haemophilia Centres. (...)