19.2.2—Genetic screening advantages

Screening can identify variants associated with conditions such as BRCA1/BRCA2 cancers, Huntington’s disease or cystic fibrosis.

Interpret a result as risk or carrier information, not as a guaranteed future outcome, and consider confirmatory testing.

A BRCA variant may increase breast-cancer risk while not determining whether cancer will develop.

A screening test can have false positives, false negatives and consequences for relatives; genotype is not destiny.