MedlinePlus

MedlinePlus is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). It was built as an online health information resource for patients and their families and friends.

MedlinePlus presents high-quality, easy to understand, relevant health and wellness information that is trusted.

Alphabetical Listings

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MedlinePlus at a Glance

Offers information on health topics, human genetics, medical tests, medications, dietary supplements, and healthy recipes.
Sourced from more than 1,600 selected organizations.
Provides 40,000 links to authoritative health information in English and 18,000 links to information in Spanish.
In 2018, 277 million users viewed MedlinePlus more than 700 million times.

Genetic Counseling

Genetic counseling provides information and support to people who have, or may be at risk for, genetic disorders. A genetic counselor meets with you to discuss genetic risks. The counseling may be for yourself or a family member. Or you may get it when you are planning or expecting a baby. You may follow up with genetic testing.

There are many reasons to seek genetic counseling. You may consider it if you :

Have a personal or family history of a genetic condition or birth defect
Are pregnant or planning to be pregnant after age 35
Already have a child with a genetic disorder or birth defect
Have had two or more pregnancy losses or a baby who died
Have had ultrasound or screening tests that suggest a possible problem