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  1. Down Syndrome | Birth Defects | CDC

    Dec 26, 2024 · When babies are growing, the extra chromosome changes how their body and brain develop. This can cause both physical and mental challenges. People with Down …

  2. 6 things to expect with babies with Down syndrome ...

    Apr 25, 2025 · Learn about what to expect with babies with Down syndrome. Get expert advice from UT Southwestern Medical Center's pediatrics specialists.

  3. Facts, Myths, & Truths About Down Syndrome - NDSS

    Approximately one in every 640 babies in the United States is born with Down syndrome, making Down syndrome the most common chromosomal condition. About 5,700 babies with Down …

  4. Down Syndrome (Trisomy 21) in Children - Stanford Medicine ...

    Down syndrome is a genetic disorder. It is also called trisomy 21. It includes certain birth defects, learning problems, and facial features. A child with Down syndrome also may have heart …

  5. About Down Syndrome | National Institutes of Health (NIH)

    Jul 16, 2025 · Down syndrome is a condition in which a person is born with an extra copy of chromosome 21. The condition is associated with intellectual disability, a characteristic facial …

  6. Down Syndrome In Babies: Guide To Causes, Symptoms & Care

    Jun 25, 2025 · Down syndrome is a genetic disorder that is caused due to the presence of an extra set of chromosome 21. Down syndrome in babies can lead to developmental delays and …

  7. How to tell if an infant has down syndrome? — DSANI

    Dec 12, 2024 · How to tell if an infant has Down syndrome: physical traits, developmental signs, testing info, and support resources from the Down Syndrome Association of Northeast Indiana.

  8. Advice for Raising a Baby With Down Syndrome

    Mar 14, 2025 · Numerous organizations and resources are available to support families of children with Down syndrome. Accessing these resources ensures that families can provide …

  9. Down syndrome - Symptoms and causes - Mayo Clinic

    Nov 12, 2024 · Infants with Down syndrome may be average size, but typically they grow slowly and remain shorter than other children the same age. Children with Down syndrome take …

  10. Down syndrome - Wikipedia

    Down syndrome or sometimes Down's syndrome, [12] also known as Trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is …