Most predictive tests have some uncertainty about:. Your next steps will depend on the type of test you took. With a positive presymptomatic test result, get ready for symptoms in the future. With a positive predispositional test result, think about what you can do to avoid disease.
In both cases, talk to a healthcare professional. Site by ProjectMiso. Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution 3. Skip to main content. Main Inheritance Patterns Why learn about genetics? How do genes impact health and disease? How can knowing my family history help me stay healthy?
How do I collect my family history? How can my choices affect my health? Why should I bring this information to my healthcare provider? What are the chances my child will inherit a condition? How do your genes and the environment interact? Search form Search. Carrier testing Carrier testing is used to identify people who carry one copy of a gene mutation that, when present in two copies, causes a genetic disorder.
Prenatal testing Prenatal testing is used to detect changes in a fetus's genes or chromosomes before birth. Preimplantation testing Preimplantation testing, also called preimplantation genetic diagnosis PGD , is a specialized technique that can reduce the risk of having a child with a particular genetic or chromosomal disorder.
Predictive and presymptomatic testing Predictive and presymptomatic types of testing are used to detect gene mutations associated with disorders that appear after birth, often later in life. Forensic testing Forensic testing uses DNA sequences to identify an individual for legal purposes. Topics in the Genetic Testing chapter What is genetic testing? What are the different types of genetic tests? How is genetic testing done? What is informed consent?
How can I be sure a genetic test is valid and useful? What do the results of genetic tests mean? What is the cost of genetic testing, and how long does it take to get the results? Will health insurance cover the costs of genetic testing? What are the benefits of genetic testing? What are the risks and limitations of genetic testing? What is genetic discrimination? Can genes be patented? How are genetic screening tests different from genetic diagnostic tests? How does genetic testing in a research setting differ from clinical genetic testing?
What are whole exome sequencing and whole genome sequencing? Awareness of the implications of testing can enhance the nurse's advocacy role. Implications for nursing practice: More studies are necessary to identify the impact of presymptomatic testing on adults and children. Nursing research to identify the family concerns, and to develop effective educational, counseling, and supportive interventions would make a valuable contribution.
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