ASCO recommends considering genetic testing in the following situations: A personal or family history suggests a genetic cause of cancer. A test will clearly show a specific genetic change. The results will help with diagnosis or management of a condition. For example, you may take steps to lower your risk.Should you screen your genes before you get pregnant?
Genetic testing is ideally done before you start trying to get pregnant, says Angela Trepanier, MS, CGC, co-director of the genetic counseling program at Wayne State University and president of the National Society of Genetic Counselors. "But because so many pregnancies are unplanned, many couples get screened early in pregnancy," she says.