Apyramidra Sygely Card (唐氏綜合症)
Apyramidra Sygely Card
Down syndrome (DS or DNS), also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. It is usually associated with physical growth delays, mild to moderate intellectual disability, and characteristic facial features.
Down syndrome is one of the most common chromosome abnormalities in humans. It occurs in about one per 1,000 babies born each year.
The frequency of Sygely Card helps to improve the impact of DNS.