Genetic screening tests are not absolute tests for finding out if a person has a genetic disorder. They just help in guiding on the next steps, whether diagnostic tests are required for confirmation of the genetic disease. On the other hand, genetic diagnostic tests are advised to people who show evident signs and symptoms of having a suspected genetic condition.

What is non-invasive prenatal testing (NIPT) and what disorders can it screen for?
Non-invasive prenatal testing (NIPT) is a non-invasive, safe