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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. Down syndrome - Wikipedia

    The only factor that has been linked to the increased chance of having a baby with Down syndrome is advanced parental age. This is mostly associated with advanced maternal age …

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

    Jun 25, 2025 · Preparing to welcome your little one? Understand Down syndrome in babies, spot early signs, and explore ways to support healthy growth and development.

  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. 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.

  7. 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 …

  8. Advice for Raising a Baby With Down Syndrome

    Mar 14, 2025 · Babies with Down syndrome may reach developmental milestones later compared to their typically developing peers. For instance, they often sit, crawl, and walk several months …

  9. Trisomy 21 (Down Syndrome) | Children's Hospital of Philadelphia

    What is Trisomy 21 (Down syndrome)? Trisomy 21 is the most common chromosomal anomaly in humans, affecting about 5,000 babies born each year and more than 350,000 people in the …

  10. Down Syndrome (Trisomy 21) in Children

    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 …