Down Syndrome | Birth Defects | CDC - Centers for Disease …
网页2024年5月16日 · Down syndrome is a genetic condition where a person is born with an extra chromosome. This can affect how their brain and body develop. People diagnosed with Down syndrome can lead healthy lives with supportive care.
Down syndrome - Symptoms and causes - Mayo Clinic
网页2018年3月8日 · Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21. This extra genetic material causes the developmental changes and physical features of Down syndrome. Down syndrome varies in severity among individuals, causing lifelong …
Down Syndrome (Trisomy 21) in Children
网页What is Down syndrome 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 defects and problems with vision and hearing. How severe or mild these problems are varies from child to child.
Early Intervention | National Down Syndrome Society (NDSS)
网页The most common early intervention services for babies with Down syndrome are physical therapy, speech and language therapy, and occupational therapy. The overarching goal of early intervention programs is to enhance and accelerate development by building on a child’s strengths and by strengthening those skills that are weaker in all areas of ...
Down Syndrome: Causes, Symptoms, Diagnosis, and Treatment - WebMD
网页2024年2月23日 · Down syndrome is a genetic condition that causes mild to significant physical and developmental problems. People with Down syndrome (DS) are born with an extra chromosome.
Down Syndrome - Boston Children's Hospital
网页Down syndrome is a genetic condition that happens when a child is born with an extra chromosome. The extra chromosome affects the way the child’s brain and body develop, leading to developmental delays, intellectual disability, …
Down Syndrome: Symptoms & Causes - Cleveland Clinic
网页Down syndrome is a genetic condition where a person is born with an extra copy of chromosome 21. This means that they have a total of 47 chromosomes instead of 46. This can affect how their brain and body develop. People diagnosed with Down syndrome have happy and healthy lives with supportive care.
Down Syndrome - NICHD - Eunice Kennedy Shriver National …
网页2023年11月22日 · Down syndrome is a set of cognitive and physical symptoms that result from having an extra chromosome 21 or an extra piece of that chromosome. It is the most common chromosomal cause of mild to moderate intellectual disabilities. People with Down syndrome are at risk for several other health conditions.
Living with Down Syndrome | Birth Defects | CDC - Centers for …
网页2024年5月16日 · Key points. Down syndrome is the most common chromosomal condition diagnosed in the United States. Families and healthcare providers in the United States have learned over time how to improve care for people living with Down syndrome. Children with Down syndrome are living longer, many into their adult years.
Symptoms and Characteristics of Down Syndrome - Verywell Health
网页2023年10月27日 · Down syndrome (trisomy 21) is a genetic disorder that affects about one in 700 newborns. Often, people with Down syndrome look the same or related due to distinctive physical characteristics. This article explains Down syndrome and how it …