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Down syndrome or Down's syndrome, [12] also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability , and characteristic physical features.
Brushfield spots are a characteristic feature of the chromosomal disorder Down syndrome or trisomy 21. They occur in 35–78% of newborn infants with Down syndrome. [2] Brushfield spots tend to be obscured by pigmentation of the anterior border layer of the iris in patients with darker irides.
The average IQ of a young adult with Down syndrome is 50, equivalent to the mental age of an 8- or 9-year-old child, but this number varies widely. [3] At the same time, they enjoy a rich social and emotional awareness. [4] Down syndrome is the most common chromosome abnormality in humans, [3] occurring in about one per 1000 babies born each ...
Mom fights for boy with Down syndrome to be included in ad campaign after he's overlooked Mom captures moment 2-month-old says 'hello' on video Baby's Harry Potter photo shoot is the most ...
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A guide to Down syndrome including symptoms and diagnosis of this genetic condition.
Some of the undersigned are inclined to replace the term Mongolism by such designations as 'Langdon Down Anomaly', or 'Down's Syndrome or Anomaly', or 'Congenital Acromicria'. Several of us believe that this is an appropriate time to introduce the term 'Trisomy 21 Anomaly', which would include cases of simple Trisomy as well as translocations.
Emily Maynard Secretly Welcomed Baby No. 6, Shares Down Syndrome Diagnosis November 2, 2022 at 12:14 PM Emily Maynard and her husband, Tyler Johnson , have added another little one to their brood.