Cancer Genetic. Genetic testing helps estimate your chance of developing cancer in your lifetime. Genetic testing for cancer risk.
Genetic tests can tell you if you have an inherited gene mutation for breast cancer. These changes are called mutations genetic tests are available for some types of cancer. Genetic counseling is generally recommended before any genetic testing for a hereditary cancer syndrome and may also be performed after the test especially if a positive result is found and a person needs to learn more about the hereditary cancer predisposition syndrome they have been found to have.
A woman s lifetime risk of developing breast and or ovarian cancer is markedly increased if she inherits a harmful variant in brca1 or brca2 but the degree of increase varies depending on the mutation.
The genetic counselor will take your medical history as well as a cancer focused family tree going back generations. Predictive genetic testing is the type of testing used to look for inherited gene mutations that might put a person at higher risk of getting certain kinds of cancer. There are several steps to these sessions. Genetic testing helps estimate your chance of developing cancer in your lifetime.
