Down Syndrome | Birth Defects | CDC - Centers for Disease …
网页2024年5月16日 · Key points. 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 · Children with Down syndrome usually are diagnosed before or at birth. However, if you have any questions regarding your pregnancy or your child's growth and development, talk with your doctor.
Down Syndrome: Causes, Symptoms, Diagnosis, and Treatment - WebMD
网页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.
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.
Down Syndrome: Symptoms & Causes - Cleveland Clinic
网页Children born with Down syndrome lead happy and healthy lives with supportive care. Treatment and therapies can help them reach developmental milestones, gain an education with their peers, build relationships and have successful careers.
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, and an increased risk for certain medical issues.
Trisomy 21 (Down Syndrome) - Children's Hospital of Philadelphia
网页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 United States. Also known as Down syndrome, trisomy 21 is a genetic condition caused by an extra chromosome. Most babies inherit 23 chromosomes from each parent, for a total of 46 chromosomes.
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.
Down Syndrome (for Parents) | Nemours KidsHealth
网页Down syndrome, also called trisomy 21, happens by chance, can’t be prevented, and isn’t caused by anything a parent did or didn't do. Fortunately, the health problems can be managed well, especially when found early, and many resources are available to help kids and their families.
Living with Down Syndrome | Birth Defects | CDC - Centers for …
网页2024年5月16日 · Children with Down syndrome are living longer, many into their adult years. Ongoing, appropriate medical care can help children and adults with a Down syndrome live as healthy lives as possible. Each year, about 5,700 babies born in the United States have Down syndrome. This means that Down syndrome occurs in about 1 in every 640 babies.