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As of October 1, 2020, the National Library of Medicine (NLM) will no longer offer Genetics Home Reference as a stand-alone website. Instead, much of the content from Genetics Home Reference has been transferred to MedlinePlus, the NLM’s flagship website for health information for patients, families, and the general public.

Please visit MedlinePlus Genetics (https://medlineplus.gov/genetics) to access genetics information and learn more about this change.

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Genetics Home Reference provides consumer-friendly information about the effects of genetic variation on human health.

Published: August 17, 2020

The resources on this site should not be used as a substitute for professional medical care or advice. Users with questions about a personal health condition should consult with a qualified healthcare professional.