6 doctors weighed in:
Read in child health magazine about christmas disease. I would like to know more. How do I find out?
6 doctors weighed in

Dr. Ahmad M Hadied
Orthopedic Surgery
5 doctors agree
In brief: Haemophilia B
Haemophilia b is a blood clotting disorder caused by a mutation of the factor ix gene, leading to a deficiency of factor ix.
It is the second most common form of haemophilia, rarer than haemophilia a. It is sometimes called christmas disease after stephen christmas.

In brief: Haemophilia B
Haemophilia b is a blood clotting disorder caused by a mutation of the factor ix gene, leading to a deficiency of factor ix.
It is the second most common form of haemophilia, rarer than haemophilia a. It is sometimes called christmas disease after stephen christmas.
Dr. Ahmad M Hadied
Dr. Ahmad M Hadied
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