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  2. Down syndrome - Wikipedia

    en.wikipedia.org/wiki/Down_syndrome

    Children and adults with Down syndrome are at increased risk of epileptic seizures, which occur in 5–10% of children and up to 50% of adults. [9] This includes an increased risk of a specific type of seizure called infantile spasms. [29] Many (15%) who live 40 years or longer develop Alzheimer's disease. [54]

  3. Everything you need to know about Down syndrome - AOL

    www.aol.com/news/everything-know-down-syndrome...

    Life expectancy for those with Down syndrome has increased markedly since 1960 when it was very low. Depending on the severity of accompanying health problems, an individual with Down syndrome can ...

  4. Paternal age effect - Wikipedia

    en.wikipedia.org/wiki/Paternal_age_effect

    The paternal age effect is the statistical relationship between the father's age at conception and biological effects on the child. [1] Such effects can relate to birthweight, congenital disorders, life expectancy, and psychological outcomes. [2]

  5. Developmental disability - Wikipedia

    en.wikipedia.org/wiki/Developmental_disability

    Developmental disability is a diverse group of chronic conditions, comprising mental or physical impairments that arise before adulthood. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, especially in "language, mobility, learning, self-help, and independent living". [1]

  6. Everything you need to know about Down syndrome - AOL

    www.aol.com/news/everything-know-down-syndrome...

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  7. Approximately one in every 775 babies in the United States is born with Down syndrome, according to the National Down Syndrome Society.I learned this statistic firsthand when my daughter Molly was ...

  8. Trisomy 18 - Wikipedia

    en.wikipedia.org/wiki/Trisomy_18

    After having one child with the condition, the risk of having a second is typically around one percent. [2] It is the second-most common condition due to a third chromosome at birth, after Down syndrome for a third chromosome 21. [4] Trisomy 18 occurs in around 1 in 5,000 live births. [3] Many of those affected die before birth. [3]

  9. Neurodevelopmental disorder - Wikipedia

    en.wikipedia.org/wiki/Neurodevelopmental_disorder

    A child with Down syndrome. A prominent example of a genetically determined neurodevelopmental disorder is trisomy 21, also known as Down syndrome. This disorder usually results from an extra chromosome 21, [41] although in uncommon instances it is related to other chromosomal abnormalities such as translocation of the genetic material.