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What is genetic testing?

Genetic tests reveal whether a person carries gene mutations associated with certain inherited diseases. The tests involve analyzing blood, tissue, or amniotic fluid for evidence of genetic abnormalities. Tests available to couples who are planning a family include:

Genetic testing has helped thousands of families prevent or prepare for hereditary diseases and make informed decisions about their healthcare. Until researchers find a cure for genetic diseases, testing is the best way to know and manage your family's risk. Currently available tests do have certain limitations, however, and it is important understand what they can and cannot do.