In addition to larger concerns — like heart defects and leukemia — people with Down syndrome may need to be guarded from common infections such as colds. People with Down syndrome are living longer and richer lives now more than ever.
Though they can often face a unique set of challenges, they can also overcome those obstacles and thrive. Building a strong support network of experienced professionals and understanding family and friends is crucial for the success of people with Down syndrome and their families. In Down syndrome, an extra copy of the 21st chromosome can develop, which can result in the telltale symptoms of the developmental and intellectual….
Karyotyping is a lab procedure that helps your doctor examine your chromosomes. Learn about symptoms and…. Health Conditions Discover Plan Connect. Down Syndrome. Medically reviewed by Karen Gill, M.
What causes Down syndrome? Types of Down syndrome. Will my child have Down syndrome? What are the symptoms of Down syndrome? Screening for Down syndrome during pregnancy. Down syndrome remains the most common chromosomal condition diagnosed in the United States.
Each year, about 6, babies born in the United States have Down syndrome. This means that Down syndrome occurs in about 1 in every babies. There are three types of Down syndrome. 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 and the developing baby. Diagnostic tests can typically detect whether or not a baby will have Down syndrome, but they can be more risky for the mother and developing baby.
Neither screening nor diagnostic tests can predict the full impact of Down syndrome on a baby; no one can predict this. See the stories of satisfied Mayo Clinic patients. Randi, Simon and Brian Beyerl For new parents of babies born with Down syndrome, the educational brochures that were at their disposal made them feel less than hopeful.
Mayo Clinic's Office of Patient Education knew they could do better, so a team set about creating new materials to provide families with a more optimistic outlook. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version.
Overview The genetic basis of Down syndrome Open pop-up dialog box Close. The genetic basis of Down syndrome There are 23 pairs of chromosomes, for a total of Request an Appointment at Mayo Clinic. Rewriting the Script for Parents of Babies With Down Syndrome Randi, Simon and Brian Beyerl For new parents of babies born with Down syndrome, the educational brochures that were at their disposal made them feel less than hopeful.
Share on: Facebook Twitter. Show references What is Down syndrome? National Down Syndrome Society. Accessed Dec. Down syndrome fact sheet. Messerlian GM, et al. Down syndrome: Overview of prenatal screening. National Library of Medicine. Down syndrome. Genetics Home Reference. Special educators are also often needed. Although many children with Down syndrome have physical and mental limitations, they can live independent and productive lives well into adulthood.
About one half of children with Down syndrome are born with heart problems, including atrial septal defect, ventricular septal defect, and endocardial cushion defects.
Severe heart problems may lead to early death. People with Down syndrome have an increased risk for certain types of leukemia, which can also cause early death. The level of intellectual disability varies, but is usually moderate. Adults with Down syndrome have an increased risk for dementia.
A health care provider should be consulted to determine if the child needs special education and training. It is important for the child to have regular checkups with a doctor. Experts recommend genetic counseling for people with a family history of Down syndrome who wish to have a baby. A woman's risk of having a child with Down syndrome increases as she gets older. The risk is significantly higher among women age 35 and older. Couples who already have a baby with Down syndrome have an increased risk of having another baby with the condition.
Tests such as nuchal translucency ultrasound, amniocentesis, or chorionic villus sampling can be done on a fetus during the first few months of pregnancy to check for Down syndrome. Bacino CA, Lee B. In: Kliegman RM, St. Nelson Textbook of Pediatrics. Philadelphia, PA: Elsevier; chap Genetic screening and prenatal genetic diagnosis.
Obstetrics: Normal and Problem Pregnancies. The chromosomal and genomic basis of disease: disorders of the autosomes and sex chromosomes. Thompson and Thompson Genetics in Medicine.
Philadelphia, PA: Elsevier; chap 6.
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