Down syndrome or trisomy21 is caused by the presence of a third copy of chromosome21.
Down Syndrome
Down syndrome, or trisomy 21, is caused by the presence of a third copy of chromosome 21. The risk for Down syndrome is higher in babies of mothers older than 35, who are more likely to have abnormal eggs that may lead to the condition. Common symptoms include problems in growth, hearing, vision and immunity, along with problems of the thyroid, heart, muscles and nerves. The severity of these symptoms varies from person to person.
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See All 5 AnswersDown syndrome is an abnormality of the chromosomes and the most common cause of mental retardation among infants. Down syndrome is characterized by certain medical problems such as congenital heart defects. There is a range of severity of Down syndrome, ranging from those with mild disability to severe.
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See All 2 AnswersThe risk of having a baby with Down syndrome increases as the maternal age increases. The risk increases significantly after the age of 35. However, as most women are having children earlier than 35 years of age, most cases of Down syndrome are to mothers younger than 35 simply because so many women are pregant at younger ages.
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See All 2 AnswersBabies born with Down syndrome are at greater-than-average risk for a number of medical problems. Following are medical conditions that are more common in people with Down syndrome:
- heart defects
- eye problems
- hearing loss
- sleep apnea
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Dr. Daniel R. Spogen, MD , Family Medicine, answeredSee All 2 AnswersThe likelihood of having a second child with Down syndrome is 1 in 100. The risk is higher if the mother is over 40. -
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See All 2 AnswersThe likelihood of having a child with Down syndrome is about 1 in 700. The risk is higher if the mother is over 35, and gets higher with increasing maternal age.
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National Down Syndrome Society answeredPeople with Down syndrome are active participants in educational, social and recreational activities. They are included in the typical education system and take part in sports, music, art programs and any other activities in the community. People with Down syndrome are valued members of their families and communities, and make meaningful contributions to society.
Businesses employ adults with Down syndrome for a variety of positions -- in banks, corporations, hotels, hospitals, nursing homes, offices and restaurants. They work in the music and entertainment industry, in clerical positions, childcare, the sports field and the computer industry, to name a few. Like anybody else, people with Down syndrome want to have a job where their work will be valued.
This content originally appeared on the National Down Syndrome Society website. -
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National Down Syndrome Society answeredPeople with Down syndrome socialize and have meaningful friendships. Some choose to date, maintain ongoing relationships and marry. Adults with Down syndrome are not children, and should not be considered children. They enjoy activities and companionship with other adults, and have similar needs and feelings as their typical peers.
This content originally appeared on the National Down Syndrome Society website. -
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National Down Syndrome Society answeredPeople with Down syndrome have feelings just like anyone else. They experience the full range of emotions. They respond to positive expressions of friendship and are hurt and upset by inconsiderate behavior.
This content originally appeared on the National Down Syndrome Society website. -
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National Down Syndrome Society answeredSee All 2 AnswersThough people with Down syndrome are at an increased risk for certain medical conditions, advances in healthcare and treatment of these conditions have allowed for most individuals with Down syndrome to lead healthy lives. People with Down syndrome attend school and work, participate in decisions that affect them, have meaningful relationships, vote and contribute to society in many wonderful ways.
Quality educational programs, a stimulating home environment, good healthcare and positive support from family, friends and the community enable people with Down syndrome to lead fulfilling and productive lives.
This content originally appeared on the National Down Syndrome Society website.