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Is Ehlers-Danlos Syndrome Genetic?

Yes
Heritability
~100%
Inheritance
autosomal-dominant
Key genes
COL5A1 COL5A2 TNXB

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A heterogeneous group of connective tissue disorders. Hypermobile EDS is the most common; classical EDS is caused by COL5A1/2 mutations.

How Genetic Is Ehlers-Danlos Syndrome?

Ehlers-Danlos Syndrome has a strong genetic basis. Research estimates heritability at approximately 100%, meaning genetic factors account for the majority of variation in whether individuals develop this condition.

Key genes associated with Ehlers-Danlos Syndrome: COL5A1 COL5A2 TNXB. Variants in these genes have been identified through genome-wide association studies (GWAS) and clinical research as influencing susceptibility or severity.

Source: MedlinePlus Genetics

Does Family History Matter for Ehlers-Danlos Syndrome?

Yes — family history is one of the strongest predictors of Ehlers-Danlos Syndrome. If a first-degree relative (parent, sibling, or child) has been diagnosed, your own risk may be significantly elevated. Discussing your family history with a healthcare provider or genetic counsellor is strongly recommended.

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Related Genetic Conditions

Sources