Facts, Myths, & Truths About Down Syndrome - NDSS
People with Down syndrome are valued members of their families and communities, and make meaningful contributions to society. MYTH: People with Down syndrome are always happy. TRUTH: People with Down syndrome have feelings just like anyone else.
Down syndrome - Wikipedia
Down syndrome is the most common chromosomal abnormality, [26] occurring in about 1 in 1,000 babies born worldwide, [1] and one in 700 in the US. [18] In 2015, there were 5.4 million people with Down syndrome globally, of whom 27,000 died, down from 43,000 deaths in 1990.
Down syndrome - Symptoms and causes - Mayo Clinic
2024年11月12日 · Down syndrome varies in severity among individuals. The condition causes lifelong intellectual disability and developmental delays. It's the most common genetic chromosomal cause of intellectual disabilities in children. It also commonly causes other medical conditions, including heart and digestive system problems.
Down Syndrome | Birth Defects | CDC - Centers for Disease …
2024年10月28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 & Causes - Cleveland Clinic
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 can affect how your child develops.
Down Syndrome: Facts and Statistics - Verywell Health
2023年10月17日 · Down syndrome occurs when a developing baby inherits three copies of chromosome 21 instead of two copies. The extra chromosome can come from either parent. This occurs due to a biological error called nondisjunction that affects the egg or the sperm that fertilized the egg.
Facts, Myths, & Truths - Northwest Down Syndrome Association
Down syndrome is the most commonly occurring chromosomal condition. One in every 691 babies in the United States is born with Down syndrome. There are more than 400,000 people living with Down syndrome in the United States. Down syndrome occurs in people of all races and economic levels.
About Down Syndrome | National Down Syndrome Society (NDSS)
2021年4月6日 · Down syndrome occurs when an individual has a full or partial extra copy of chromosome 21. This additional genetic material alters the course of development and causes the characteristics associated with Down syndrome.
Down Syndrome: Causes, Symptoms, Diagnosis, and Treatment - WebMD
2024年2月23日 · People with Down syndrome have an extra chromosome that impacts their looks and their ability to think, learn, and reason. Discover the type, causes, and kinds of effects it can have.
Living with Down Syndrome | Birth Defects | CDC - Centers for …
2024年5月16日 · 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.