Question 1

how many people have cri du chat syndrome?

Accepted Answer

1/20k-1/50k births: The listed frequency of cri du chat syndrome is 1/20, 000-1/50, 000 births. The partial deletion of chromosome 5 is thought to represent 85% by spontaneous new mutations  and 15% from an abnormal chromosomal contribution from an unaffected parent that carries a balanced rearrangement of chromosomal material.

Question 2

is cri du chat syndrome autosomal or sex-linked? please advise!

Accepted Answer

Chromosome 5: The problem is with chromosome 5, so it's not sex linked.

Question 3

how would the cri-du-chat syndrome affect someone if they had it?

Accepted Answer

Multiple issues: There are multiple issues with this dx.:slow growth, cat like cry, mental deficiency & small head affect all patients. Other significant features may include:low birth weight, low muscle tone, congenital heart disease & other issues to many to list.

Question 4

what kind of chromosomal mutation causes the cri du chat syndrome?

Accepted Answer

Chromosome deletion: Cri du chat is a rare genetic disorder to to chromosome deletion on chromosome 5.  See the good discussion of it here: https://en.wikipedia.org/wiki/Cri_du_chat

Here's a great organization formed to educate and support: https://fivepminus.org/

Question 5

what causes cri du chat syndrome ?

Accepted Answer

Spontaneous/inherite: The listed frequency of cri du chat syndrome is 1/20, 000-1/50, 000 births. The partial deletion of chromosome 5 is thought to represent 85% by spontaneous new mutations  and 15% from an abnormal chromosomal contribution from an unaffected parent that carries a balanced rearrangement of chromosomal material.

Question 6

can people with cri du chat syndrome communicate?

Accepted Answer

Delayed but do talk: Most cri du chat patients are able to communicate in short sentences by the age of ten. Their receptive language is more advanced than their expressive skills, but will remain quite limited.

Question 7

how long can people live with cri-du-chat syndrome?

Accepted Answer

Up to a normal life: span depending on the which of the various medical problems that may have.

Question 8

what type of inheritance pattern is cri du chat syndrome?

Accepted Answer

Spontaneous/inherite: The listed frequency of cri du chat syndrome is 1/20, 000-1/50, 000 births. The partial deletion of chromosome 5 is thought to represent 85% by spontaneous new mutations  and 15% from an abnormal chromosomal contribution from an unaffected parent that carries a balanced rearrangement of chromosomal material.

Question 9

if a person with cri du chat syndrome has a child will their child have it too?

Accepted Answer

Yes in theory: I could only find a single listed birth to a cri du chat patient in the world literature as of 2010. The outcome was not cited. If born there would be at least a 50% risk of the same abnormal chromosome pattern.Data supports  a significant pattern of diminished sexual function along with their intellectual impairments.

Question 10

can i ask a q of another user on this site? has anyone had a baby with cri-du-chat?

Accepted Answer

Nat'l support groups: There are national support groups for nearly every genetic disease, including cri-du-chat. Your geneticist can give you the site for information and support. If not, the mayo clinic has access to all these sites as well.

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Doctor answers about:

Cri du chat syndrome life expectancy

A member asked:

How many people have cri du chat syndrome?

A member asked:

Is cri du chat syndrome autosomal or sex-linked? please advise!

A member asked:

How would the cri-du-chat syndrome affect someone if they had it?

A member asked:

What kind of chromosomal mutation causes the cri du chat syndrome?

A member asked:

What causes cri du chat syndrome ?

A member asked:

Can people with cri du chat syndrome communicate?

A member asked:

How long can people live with cri-du-chat syndrome?

A member asked:

What type of inheritance pattern is cri du chat syndrome?

A member asked:

If a person with cri du chat syndrome has a child will their child have it too?

A member asked:

Can i ask a q of another user on this site? has anyone had a baby with cri-du-chat?

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