1. Cri du Chat Syndrome
By Joe McSparren
Biology periods 5+6
2. Cause of syndrome
Caused by the genetic information on
chromosome 5 being lost. (very rare
disease). Most of the time it occurs in the
development of the egg or sperm. The
Very little cause that rarely happens is
translocation, between parents.
3. Diagnosis/Symptoms
• Cry that is high pitched and sounds like a
cat
• Downward eye slant
• Webbing or fusing of toes
• Low birth weight and slow growth
• Slow or no complete motor skills
4. Prevention
• There is no know prevention. If you have it
in your history, think about genetic
counseling.
5. Description of cri du chat
• 1 out of 50,000 kids get it
• 1% of individuals get it severely
• Happens to all ethnic groups
• More apt to happen in females with a ratio
of 4:3
• Discovered by Jerome Lejeune in 1963
6. Treatment/Cure
• No cure but treatment is to help them
stimulate their full potential, such as
speech therapy or using sign language if it
is severe. Also doing occupational therapy
by teaching strategies to cope with said
syndrome.
