Screening tests evaluate a people risk of developing a genetic problem, while analysis tests recognize genetic conditions. Genetic screening tests are usually used in people who do not have signs or symptoms of a disorder. These tests estimate whether a people risk of having a specific problem is increased or decreased compared to the risk in other people in a similar population. Since screening tests are only estimates, sometimes the outcomes suggest an increased risk for a genetic abnormality when the individual is in fact untouched, or the outcomes suggest a decreased risk for a genetic abnormality when the person is really affected. Genetic analysis tests are typically used in people that have symptoms and signs. Diagnostic tests can aid educate a persons chance of developing a genetic condition or of passing on a genetic problem to their children. The outcomes of an analysis test can be used to direct a person's options about health care and the management of the disorder. Examples of genetic screening tests include: Noninvasive prenatal testing/screening: This screening test is performed prior to birth to help identify the risk that unborn child will be birthed with specific genetic irregularities, such as Down disorder and other chromosomal disorders. Newborn screening: In the United States, a screening test is executed on all infants quickly after birth. Instances of genetic analysis tests consist of: Molecular gene tests: These tests figure out the order of DNA foundation in a person's genetic code, a procedure called DNA sequencing.
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