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What is Genetic Testing?

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Genetic Testing for Risk

Genetic testing for an (also called "germline genetic testing") is a type of medical test that can help people learn about their risk for cancer. The test looks for changes in your that are linked to an increased risk for cancer. 

How is genetic testing done? 

Genetic testing can be done on blood, saliva or tissue. Once the sample is collected it is sent to a genetic testing lab. Tests usually take between 2-6 weeks for results. 

Genetic testing can help people make medical decisions

Genetic testing can help people make medical decisions. Genetic test results can help people diagnosed with cancer make treatment decisions. Test results can help people learn about their future risk for cancer, and their options for lowering their risk or detecting cancer early.   

More Information on Genetic Testing for Cancer Risk

Types of Genetic Tests

Genetic tests are not all the same. Learn about the different types of tests.

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Benefits and Limitations

Genetic testing can provide important information, but there are limitations to testing.

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Types of Test Results

It's important to understand the different types of test results and what they mean.

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Genetic Testing Guidelines

Expert guidelines outline who is most likely to benefit from genetic testing. 

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Deciding about Testing

Following these steps can help you decide if genetic testing is right for you. 

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Genetic Counseling

Genetics experts can help you understand genetic testing and interpret test results. 

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Participate in Genetics Research

Below are some of our featured research studies looking at genetic testing. To search for additional studies, visit our Search and Enroll Tool

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Last updated January 31, 2022