You do not need to do anything before you have this test.
Talk with your doctor about any concerns you have regarding the need for the test, its risks, how it will be done or what the results will mean.
Since the information obtained from a genetic test can have a profound impact on your life, you may want to see a doctor who specializes in genetics (geneticist) or a genetic counselor. This type of counselor is trained to help you understand your risk for developing a genetic disease or having a child who has an inherited (genetic) disease, such as sickle cell disease, cystic fibrosis, or hemophilia. A genetic counselor can help you make well-informed decisions. Ask to have genetic counseling before making a decision about genetic testing.
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