What is the usual abbreviation for Down Syndrome?

Down Syndrome is most often abbreviated as DS. Medical professionals also commonly abbreviate Down syndrome as T21, t21, or tri21 as a shortened version of its alternate name, "trisomy 21."

Other Questions About Down syndrome

• Who else in my family should I test for Down Syndrome?
• Where do I find other people with Down Syndrome?
• What specialist doctors should I see with Down Syndrome?
• What is the usual abbreviation for Down Syndrome?
• What is the life expectancy of someone with Down syndrome?