Reviewed and Published dates

A “reviewed” date appears at the bottom of each summary of a genetic condition, gene, and chromosome, as well as some sections of Help Me Understand Genetics. The reviewed date, which is specific to each page, indicates when the scientific content of the page was last reviewed.

The Genetics Home Reference website is published periodically with new summaries, updated links, and other improvements. The “published” date, which appears at the bottom of each page, indicates when the entire website was last refreshed.