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How is genetic testing for genetic disorders done?

Genetic testing can be done on samples of a person's hair, skin, blood, other tissues, or amniotic fluid in prenatal testing. Technicians in laboratories examine chromosomes and DNA in cells for changes, or mutations. Reports are sent back to your doctor or a genetic counselor. Before a person takes a genetic test, her or she is educated about the risks, benefits, and limitations. This procedure is called informed consent.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.