Penny Howard and colleagues explore the psychosocial, ethical and legal aspects of screening, and the wider significance of the results

This article explores the psychosocial, ethical and legal aspects of genetic testing, and the wider implications of genetic test results. Irrespective of whether genetic testing is undertaken for diagnostic or predictive reasons, the potential consequences of testing and the subsequent results may have a significant impact on the individual and family members. It is essential that healthcare professionals follow national and international genetic testing guidelines to safeguard individuals and provide support for those considering and undergoing genetic testing.