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Doctor insights on: Should I Have A Sibling For My Autistic Child

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What is the probability of the sibling of someone with autism having an autistic child?

What is the probability of the sibling of someone with autism having an autistic child?

Suggestions: If the child with autism had a genetic microarray & dna probe for fragile x, his/her parents may be willing to share the results. Also, a 3-generation family history of the prospective father and mother is warranted, not just for autism, but for other medical and psychiatric conditions that may be related. A prenatal genetic counselor (www.Nsgc.Org) may then be able to discuss risks. ...Read more

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Dr. Johanna Fricke
623 doctors shared insights

Autism (Definition)

Autism is a neurodevelopmental disorder affecting three areas: abnormal socialization, communication, and restricted interests with repetitive patterns of behavior. It is usually detected in the first two years of life. Cause is unknown but strong evidence points to an interplay between genetic and environmental factors. Patients with autism may display significant delays in certain developmental areas while having normal or superior strengths in other developmental or learning domains. The severity of the disorder is highly variable ...Read more


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If there is an autistic child or sibling or other family member, is there reason for gene testing the family?

If there is an autistic child or sibling or other family member, is there reason for gene testing the family?

Possibly: If there is a known genetic abnormality in the person with autism, then family members of child-bearing age may benefit. Even if physical & neurological exam reveal no signs of a specific syndrome in a child with autism &/or intellectual disability, genetic microarray & dna probe for fragile x reveal an abnormality about 15% of the time. Evaluation by a geneticist is needed in those cases. ...Read more

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My brothers son has autism, is it likely my child will be born with autism? My husband doesn't have autism in his family

My brothers son has autism, is it likely my child will be born with autism? My husband doesn't have autism in his family

Autism's origins: New studies on chromosomal material have shown a number of autism cases related to sporadic changes(micro deletions or insertions) in the genetic code that probably occurred prior to conception. Of rare families with >1 affected child, this appears to be the case. Newly affected families have little if any chance of replicating that event, or sharing it across family lines. ...Read more

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My three brothers have autism i don't have it. Two are my half brothers. If i get pregnant, what are the chances that my child with have autism?

Can't tell, but...: Over recent decades, more people describe themselves (or are called by others) as autistic. That creates a big group of people with various disorders, but who have in common their autistic features. Some have known causes (other disorders) that cause their autistic features, but many or most have unknown causes. A geneticist can help look at the sibling's disorders to see if it might be hereditary. ...Read more

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Autism:my dads son from dads 1st marriage has it &my brothers daughter has it. What are the chances my child will have it? My bro and I have diff dads

Autism:my dads son from dads 1st marriage has it &my brothers daughter has it. What are the chances my child will have it? My bro and I have diff dads

Cause of Autism?: If the family members, especially your niece, have a diagnosis of one of the > 30 known genetic syndromes with autism as part of their neurodevelopmental profile, or comparative genomic hybridization &/or dna probe for fragile x show genetic abnormalities, ask your OB to refer you to a prenatal genetic counselor to determine if the pattern of inheritance increases your risk. ...Read more

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I do not have autism, but my 2 brothers do. My wife has no family history of autism. What is the chance of our first child having autism? Please let me know if you want more information.

I do not have autism, but my 2 brothers do.  My wife has no family history of autism.  What is the chance of our first child having autism?  Please let me know if you want more information.

Difficult issue: Newer studies are showing minor genetic information abnormalities in many kids with autism and these were first studied and found in families with more than one affected child. The defect likely originated in the eggs before conception. You likely just got lucky and have little risk because you got normal DNA. The science is still evolving. A consultation with a geneticist may be your best info. ...Read more

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What makes a child autistic?

No iron clad answer: but there is enough from studies to believe that it derives from a problem in the genes. The severity may depend on the variability of the genes being expressed and to a degree other environmental factors. Knowledge of autism is incomplete at this time so be selective about the quality of information you get. It is best to discuss any questions with your PCP who has access to evidence based info. ...Read more

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How can I deal with autistic child?

How can I deal with autistic child?

Autism: The autistic spectrum has many different presentations. Talk to your pediatrician, medications can help, in some cases, especially for the anxiety and meltdowns. There are also classes on how to work with these children. The school system will help, also. Special Ed teachers are specially trained. Try to keep to a schedule, change is very difficult. Get yourself some support, too. ...Read more

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How to know your child is autistic?

How to know your child is autistic?

ASD: This site is an excellent reference, but having your child evaluated is the best way. http://www.firstsigns.org ...Read more

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How can I know if my child is autistic?

How can I know if my child is autistic?

Evaluation: Please talk with your pediatrician and discuss it with him/her and whether or not an evaluation is indicated. ...Read more

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