Factor X (10) deficiency is an inherited bleeding disorder caused when a person’s body does not produce enough of a protein in the blood (factor X or FX) that helps blood clot or the factor X doesn’t work properly. The disorder is one of the rarest inherited clotting disorders. It affects one in 1,000,000 people. Both parents must have the gene alteration causing the disorder and pass it on to their child for their child to have the disorder. It affects both males and females.
Links to selected resources:
What Is Factor X Deficiency?
(World Federation of Hemophilia)
Explains the causes of this bleeding disorder, its symptoms, diagnosis and treatment.
Factor X deficiency
(Canadian Hemophilia Society, 2006)
This booklet describes factor X deficiency, what causes it, how it is passed on, diagnosis, symptoms, treatments, specific problems for women, healthy living and preventing bleeds.
Factor X deficiency
(National Hemophilia Foundation, USA)
Source: What are rare clotting factor deficiencies? World Federation of Hemophilia, Montreal, Canada, 2023.
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