Question

Why is haemophilia unviable in later stage of life?

Answer 1

A person born with hemophilia will have it for life.The level of factor VIII or factor IX in the blood usually stays the same throughout a person's life.The severity of hemophilia depends on the amount of factor VIII or factor IX in the blood.
There are three levels of severity:mild,moderate & severe.People with severe hemophilia usually bleed frequently into their muscles or joints.They may bleed one or two times per week.Bleeding is often spontaneous,which means it happens for no obvious reason.People with moderate hemophilia bleed less often,usually after an injury.Cases of hemophilia vary,however,& a person with moderate hemophilia can bleed spontaneously.People with mild hemophilia usually bleed only as a result of sugery or major injury.

Answer 2

because this is parental disease and in most cases , females are responsible for it and symptoms show in male but passing generation to other generation, by female