Prevalence and Incidence of Triple-X syndrome

Prevalance of Triple-X syndrome:

1 per 1,000 newborn girls suffer from triple X syndrome, Genetics Home Reference website ... see also overview of Triple-X syndrome.

Prevalance Rate:

approx 1 in 1,000 or 0.10% or 272,000 people in USA [Source statistic for calcuation: "1 per 1,000 newborn girls suffer from triple X syndrome, Genetics Home Reference website" -- see also general information about data sources]

Triple-X syndrome: Rare Disease

Triple-X syndrome is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Triple-X syndrome, or a subtype of Triple-X syndrome, affects less than 200,000 people in the US population.

Ophanet, who are a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Triple-X syndrome as a "rare disease". More information about Triple-X syndrome is available from Orphanet

Incidence (annual) of Triple-X syndrome:

5-10 girls are born with triple X syndrome each day, Genetics Home Reference website ... see also overview of Triple-X syndrome.

Incidence Rate:

approx 1 in 54,400,000 or 0.00% or 5 people in USA [Source statistic for calcuation: "5-10 girls are born with triple X syndrome each day, Genetics Home Reference website" -- see also general information about data sources]

Incidence extrapolations for USA for Triple-X syndrome:

5 per year, 0 per month, 0 per week, 0 per day, 0 per hour, 0 per minute, 0 per second. [Source statistic for calculation: "5-10 girls are born with triple X syndrome each day, Genetics Home Reference website" -- see also general information about data sources]

About prevalence and incidence statistics:

The term 'prevalence' of Triple-X syndrome usually refers to the estimated population of people who are managing Triple-X syndrome at any given time. The term 'incidence' of Triple-X syndrome refers to the annual diagnosis rate, or the number of new cases of Triple-X syndrome diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

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