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Heritability of autism

OrangeJuice

Hey everyone

I've a sister who was diagnosed with autism at a young age. I never really thought much about it because shes on the higher end of the spectrum and have only really been looking into the condition until recently

I was hoping someone here would be able to help me find out the odds of having a child with autism given that they have a sibling with the condition.

Does anyone know if such a statistic has been documented?

Parents
  • Former Member
    Former Member

    If you have cystic fibrosis then there are definitive lab tests to identify if you have the condition. With mental issues like ASD there are no definitive lab test and it is down to the doctor to decide if you have it badly enough to warrant a diagnosis. There are lots of people who will never get diagnosed, although they have the traits and the genes, because they can manage. My family (father and his siblings) was really affected but I am the only one with a diagnosis - there are at least 3 others who are on the spectrum and several generations of ancestors that I know of that fit the criteria but the heritability trail only started with me.

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  • Former Member
    Former Member

    If you have cystic fibrosis then there are definitive lab tests to identify if you have the condition. With mental issues like ASD there are no definitive lab test and it is down to the doctor to decide if you have it badly enough to warrant a diagnosis. There are lots of people who will never get diagnosed, although they have the traits and the genes, because they can manage. My family (father and his siblings) was really affected but I am the only one with a diagnosis - there are at least 3 others who are on the spectrum and several generations of ancestors that I know of that fit the criteria but the heritability trail only started with me.

Children
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