Chromosome 4q duplication

What is the long-term outlook for people with chromosome 4q duplication?

The long-term outlook (prognosis) for people with a chromosome 4q duplication depends on the size and location of the duplication. This affects which specific genes are involved, and how many genes are duplicated. Some people with a 4q duplication may be born healthy and develop well, while others may be born with any of several types of birth defects that can lead to severe complications. Therefore, it is not possible to predict how one person will be affected. Additionally, people with the same 4q duplication (the same location and size) may be affected very differently - even within the same family.

People with questions about prognosis for themselves or family members are encouraged to speak with their doctors about how their signs and symptoms may affect their health and quality of life.

Last updated on 05-01-20

Name: Chromosome Disorder Outreach CDO PO Box 724
Boca Raton, FL, 33429 , United States
Phone: +1-561-395-4252 Email: Url:
Name: Unique – Rare Chromosome Disorder Support Group G1, The Stables Station Road West
Surrey RH8 9EE
United Kingdom
Phone: +44 (0)1883 723356 Email: Url:

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The RareGuru disease database is regularly updated using data generously provided by GARD, the United States Genetic and Rare Disease Information Center.

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