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Risk Factors
Risk factors for HHT
An abnormal gene is the cause of HHT. One abnormal copy of the gene from one parent can cause the disorder. Although the children of this parent have a 50% chance of inheriting the gene, children who do not have it are not carriers.
Genetic testing for HHT is available at only a few centers in the US, such as Stanford Health Care, due to the complexity of the family-based tests.
HHT Center of Excellence
You can access Stanford’s expertise and compassionate care for HHT through our Center of Excellence. We always accept new patients, and we take many insurance plans, including Medicare and Medi-Cal.