I know the odds of having a child with autism are 1/150, but what are the odds of having a sibling with it?

Well i have 5 brothers & 6 sisters and only i have it well aspergers anyway im also the youngest. But i think autism is hereditary and depends on the strength of the genes there inhereting it from. Because i see on TV where people have all autistic children where some families only have one autistic child. I think it varies from family & i believe genetics play a big role

Also im a girl incase u were wondering i dont believe autism is more likely in boys either. Girls are just very good at blending in & just come off as shy which ppl think is a good thing not a problem & dont act out like autistic boys leaving girls in the dark undiagnosed

4 Responses to “What are the odds of having a sibling with autism?”

  1. justmeinthisworld says:

    the rate has increased..last i heard they were saying it was 1/110…

    just as the parents have a 1/110 chance..the sibling has a 1/110 chance
    if there is one child with autism the risk increases to 4%
    References :

  2. matthew says:

    the same actually. if 1 in 150 children born have autism, then the odds should be the same that you will have a sibling with that. i have a brother with autism and 3 siblings that dont. genetics does not have much of a roll as you would think. ( by genetics, i mean parent to child)
    References :

  3. Jessica says:

    The CDC just came out with new staggering numbers. It is no longer 1/150. It is 1/110 and 1/70 boys! The chances of someone having a sibling with autism is the same as for a parent.
    References :
    http://www.autismspeaks.org/

    I have a wonderful 7 year old son who has autism, MR, and ADHD.

  4. nocnok says:

    Well i have 5 brothers & 6 sisters and only i have it well aspergers anyway im also the youngest. But i think autism is hereditary and depends on the strength of the genes there inhereting it from. Because i see on TV where people have all autistic children where some families only have one autistic child. I think it varies from family & i believe genetics play a big role

    Also im a girl incase u were wondering i dont believe autism is more likely in boys either. Girls are just very good at blending in & just come off as shy which ppl think is a good thing not a problem & dont act out like autistic boys leaving girls in the dark undiagnosed
    References :
    I have aspergers a mild form of autism

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