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Inherited Disorders and Birth Defects

Cri du chat syndrome

03/02/2004

Question:

what are some symptoms of cri du chat syndrome?

Answer:

Cri du chat (cat cry) or 5p- syndrome is a genetic disorder where the person is missing a small part of the short arm of chromosome number 5. Chromosomes are the structures in all of our cells that carry DNA that instructs the body how to form, function and grow. There are 46 chromosomes in each cell of the body. You inherit half of your chromosomes from your mother and half from your father. On a rare occasion, a piece of a chromosome can break off and be lost at conception – this is usually the case in 5p- syndrome. Babies born with 5p- syndrome may have a high pitched cry, usually are small at birth, have poor muscle tone and a small head (microcephaly). Children with 5p- usually grow slowly. Mental retardation is also seen. While not common, some children will have a congenital heart defect and there can other problems such as a cleft lip and palate or other organ involvement. The website listed below has additional information about 5p- syndrome. 

Related Resources:

5p- Society

For more information:

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Response by:

Case Western Reserve University Anne Matthews, RN, PhD
Director, Genetic Counseling and Family Studies
Associate Professor
Department of Genetics
School of Medicine
Case Western Reserve University
Anne   Matthews, RN, PhD