Haemophilia can be diagnosed before, during or after birth if there's a family history of the condition. A variety of specialist tests are carried out on blood to make the diagnosis - these test for the level and function of clotting factors or platelets.

If there's no family history of haemophilia, it's usually only diagnosed when a child begins to walk or crawl. They may experience joint bleeds or easy bruising.

Kết quả xổ số khả quanMild haemophilia may only be discovered later, usually after an injury or a dental or surgical procedure.