Down syndrome

Down syndrome is a genetic disorder that includes a combination of birth defects, including some degree of mental retardation, characteristic facial features and, often, heart defects, visual and hearing impairment, and other health problems.
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Down syndrome occurs in about one in every 800-1,000 births. It affects an equal number of boys and girls. Less than 25% of Down syndrome cases occur due to an extra chromosome in the sperm cell.
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Down Syndrome
Related Category: Pathology
congenital disorder characterized by mild to severe mental retardation, slow physical development, and characteristic physical features.
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Down syndrome
Definition:
Down syndrome is a chromosome abnormality, usually due to an extra copy of the 21st chromosome. This syndrome usually, although not always, results in mental retardation and other conditions.
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Down syndrome is the most common genetic cause of severe learning disabilities in children, occurring in one in every 800 infants. Every year, as many as 5,000 babies are born with Down syndrome in the United States.
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Down syndrome (DS) is a genetic disorder (you have it from birth) in which a person has extra genes because of extra chromosome 21 material. The syndrome causes delays and limitations in physical and intellectual development.
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Down syndrome is also associated with a number of major malformations. For example, approximately a half of Down syndrome children are born with a heart defect, most often a hole between the two sides of the heart.
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Down syndrome is the most common chromosomal disorder (1 out of 800). Affected individuals have an extra copy of chromosome 21. This unbalanced set of genes results in mild to moderate mental retardation and numerous physical changes.
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DOWN SYNDROME (Mongolism)
SYMPTOMS"Slow physical development, moderate to severe mental retardation, and facial features which are somewhat flattened.
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Down syndrome
A genetic disorder characterized by some degree of mental retardation and by various physical malformations, such as slanted eyes and a broad face.
DPT ...
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Down syndrome and certain other genetic diseases-Some diseases caused by abnormal chromosomes may increase the risk of leukemia.
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Down syndrome
A disorder caused by the presence of an extra chromosome 21 and characterized by mental retardation and distinguishing physical features.
doxercalciferol ...
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Individuals with Down syndrome, an abnormality of the 21st chromosome, have a significantly higher risk of developing Alzheimer's disease.
age.
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Estriol levels are usually measured for pregnant women to determine the likelihood of the fetus having Down syndrome or other birth defects. The level of estriol in the blood is often used in a maternal serum triple or quadruple screening test.
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They also look for chromosome defects, such as Down syndrome.
Ultrasound scans to check the baby for birth defects of the brain, heart, spine, legs, arms, or other organs.
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Women of this age are more likely to have a baby with Down syndrome, a condition caused by an extra chromosome. The risk increases steadily with the mother's age.
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Down syndrome or other genetic disorder
Endocrine diseases, including problems with the thyroid, pituitary (pituitary dwarfism), adrenal, pancreas, or sexual glands ...
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Moreover, no credible scientific evidence supports an association between fluoridated water and conditions such as cancer, bone fractures, Down syndrome, or heart disease, as claimed by some ardent opponents of water fluoridation.
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Use: prenatal genetic testing for Down syndrome and other chromosomal disorders, e.g., Patau syndrome, Edward syndrome, Klinefelter syndrome, and Turner syndrome, associated with birth defects and mental retardation.
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Anyone who has spent an afternoon caring for a grandparent with Alzheimer's disease or a niece with Down syndrome knows that caregiving is exhausting, though often rewarding, work.
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Alpha fetoprotein: Substance produced by the fetus that is measured in the mother's blood to screen for increased risk for certain problems in the baby such as spina bifida or Down syndrome.
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infected with cytomegalovirus during pregnancy will become infected, although not all the babies will have symptoms at birth. This type of cytomegalovirus is the second most common and identifiable cause of mental retardation after Down syndrome.
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