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- Down syndrome occurs in approximately one in 700 births. DS is the most common chromosomal condition diagnosed in the United States. Around 6,000 babies — or one in 700 — are born with DS every year.
- There are three types of Down syndrome. Trisomy 21: In 95% of cases, babies born with DS have one extra copy of chromosome 21, giving them three total.
- Down syndrome has been depicted in historical paintings as far back as the 15th and 16th centuries. Down syndrome is not new — in fact, the first evidence of its existence dates back 2,500 years.
- Prenatal screening for Down syndrome is available. Doctors use maternal blood samples and ultrasounds to detect DS in the early stages of pregnancy. Since the condition is more likely in pregnant women age 35 and older, screening tests are commonly recommended for that age group.
May 20, 2019 · Up to 75% of people with Down syndrome have some hearing loss. [2] Ear infections and eye diseases are very common in people with Down syndrome. [2] Children with Down syndrome usually have poor short-term auditory memory skills, meaning they may struggle to remember things others have said to them.
- MYTH: Down syndrome is a rare disorder. TRUTH: Down syndrome is the most commonly occurring chromosomal condition. Approximately one in every 772 babies in the United States is born with Down syndrome, or around 5,100 births per year.
- MYTH: Down syndrome is hereditary and runs in families. TRUTH: Translocation, a type of Down syndrome that accounts for 3 to 4% of all cases, is the only type of Down syndrome known to have a hereditary component.
- MYTH: Most children with Down syndrome are born to older parents. TRUTH: Most children with Down syndrome are born to women younger than 35 years old simply because younger women have more children.
- MYTH: Parents will not find community support in bringing up their child with Down syndrome.
People also ask
What happens if a child has Down syndrome?
What are some facts and statistics about Down syndrome?
How many children are born with Down syndrome?
- What Is Down Syndrome?
- How Many Babies Are Born with Down Syndrome?
- Types of Down Syndrome
- Causes and Risk Factors
- Diagnosis
- Screening Tests
- Diagnostic Tests
- Other Health Problems
- Treatments
- Other Resources
Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is born with 46 chromosomes. Babies with Down syndrome have an extra copy of one of these chromosomes, chr...
Down syndrome remains the most common chromosomal condition diagnosed in the United States. Each year, about 6,000 babies born in the United States have Down syndrome. This means that Down syndrome occurs in about 1 in every 700 babies.1
There are three types of Down syndrome. People often can’t tell the difference between each type without looking at the chromosomes because the physical features and behaviors are similar. 1. Trisomy 21: About 95% of people with Down syndrome have Trisomy 21.2With this type of Down syndrome, each cell in the body has 3 separate copies of chromosome...
The extra chromosome 21 leads to the physical features and developmental challenges that can occur among people with Down syndrome. Researchers know that Down syndrome is caused by an extra chromos...One factor that increases the risk for having a baby with Down syndrome is the mother’s age. Women who are 35 years or older when they become pregnant are more likely to have a pregnancy affected b...There are two basic types of tests available to detect Down syndrome during pregnancy: screening tests and diagnostic tests. A screening test can tell a woman and her healthcare provider whether her pregnancy has a lower or higher chance of having Down syndrome. Screening tests do not provide an absolute diagnosis, but they are safer for the mother...
Screening tests often include a combination of a blood test, which measures the amount of various substances in the mother’s blood (e.g., MS-AFP, Triple Screen, Quad-screen), and an ultrasound, which creates a picture of the baby. During an ultrasound, one of the things the technician looks at is the fluid behind the baby’s neck. Extra fluid in thi...
Diagnostic tests are usually performed after a positive screening test in order to confirm a Down syndrome diagnosis. Types of diagnostic tests include: 1. Chorionic villus sampling (CVS)—examines material from the placenta 2. Amniocentesis—examines the amniotic fluid (the fluid from the sac surrounding the baby) 3. Percutaneous umbilical blood sam...
Many people with Down syndrome have the common facial features and no other major birth defects. However, some people with Down syndrome might have one or more major birth defects or other medical problems. Some of the more common health problems among children with Down syndrome are listed below.8 1. Hearing loss 2. Obstructive sleep apnea, which ...
Down syndrome is a lifelong condition. Services early in life will often help babies and children with Down syndrome to improve their physical and intellectual abilities. Most of these services focus on helping children with Down syndrome develop to their full potential. These services include speech, occupational, and physical therapy, and they ar...
The views of these organizations are their own and do not reflect the official position of CDC. 1. Down Syndrome Research Foundation (DSRF) DSRF initiates research studies to better understand the learning styles of those with Down syndrome. 2. GiGi’s Playhouse GiGi’s Playhouse provides free educational, therapeutic-based, and career development pr...
- Down syndrome (DS) is a genetic condition where a person is born with an extra copy of chromosome 21. This additional genetic material changes the course of development and causes the characteristics we have associated with Down Syndrome.
- The exact cause of the extra chromosome that triggers Down syndrome is unknown.
- One in every 691 babies in the U.S. is born with Down syndrome, making it the most common chromosomal condition.
- There are more than 400,000 people living with Down syndrome in the U.S.
Oct 31, 2018 · According to the National Down Syndrome Society, a 35-year-old woman has approximately a 1 in 350 chance of conceiving a child with Down syndrome. This chance increases gradually to 1 in 100 by ...
Oct 17, 2023 · Down syndrome affects about one out of every 700 babies born in the United States, which is approximately 6,000 live births per year. More than 200,000 people in the United States are currently living with this condition. The incidence of Down syndrome has remained stable within the population.
