Quick Facts: Down Syndrome (Trisomy 21) - Merck Manuals Consumer Version

Down Syndrome (Trisomy 21) - Learn about the causes, symptoms, diagnosis & treatment from the Merck Manuals - Medical Consumer Version.
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Medicover Genetics - March 21 is Trisomy 21 – Down syndrome Awareness Day. Down syndrome is the most common genetic condition during pregnancy. Prenatal screening of Trisomy 21, can be performed during

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