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Diseases » Trisomy conditions » Prevalence

Prevalence Statistics for Types of Trisomy conditions

Prevalence Statistics for Types of Trisomy conditions

The information below shows a list of types of Trisomy conditions, with information as to the prevalence of each of these types. Estimates of the people affected are calculated based on the available statistic.

Disease Prevalence Estimate US people estimate Statistic Used for Calculation
Down Syndrome N/A N/A No information
Edwards Syndrome approx 1 in 5,000 or 0.02% or 54,400 people in USA 90,666 1 per 5,000 - 6,000 newborns are affected by Trisomy 18, Genetics Home Reference website
Patau syndrome N/A N/A No information
Trisomy 22 N/A N/A No information
Cri-du-chat syndrome approx 1 in 200,000 or 0.00% or 1,360 people in USA 1,360 1 per 200,000-500,000 newborns are affected by Cri-du-chat syndrome, Genetics Home Reference website

Types of Trisomy conditions

For more information about types of Trisomy conditions, refer to our section on types of Trisomy conditions.

About prevalence:

The medical term 'prevalence' of Trisomy conditions usually refers to the estimated population of people who are managing Trisomy conditions at any given time, whereas the annual diagnosis rate of new cases of Trisomy conditions is called the 'incidence'. For more information on prevalence and incidence statistics, see about prevalence and incidence statistics.


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