Ophanet, who are a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Cleft palate as a "rare disease". More information about Cleft palate is available from Orphanet
about 1 in 700 births ... see also overview of Cleft palate.
approx 1 in 47,600 or 0.00% or 5,714 people in USA [Source statistic for calcuation: "about 1 in 700 births" -- see also general information about data sources]
5,714 per year, 476 per month, 109 per week, 15 per day, 0 per hour, 0 per minute, 0 per second. [Source statistic for calculation: "about 1 in 700 births" -- see also general information about data sources]
The following statistics relate to the incidence of Cleft palate:
16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the prevalence and/or incidence of Cleft palate.
Cleft lip or palate most commonly occurs as an isolated birth defect. Isolated cleft lip with or without cleft palate and cleft palate only are the result of a disruption in the normal development of the orofacial structures. This disruption in development is thought to be the result of a combination of genetic and environmental factors. Cleft lip or cleft palate may also occur as part of a chromosomal or Mendelian syndrome (cleft defects are associated with over 300 syndromes). Exposures to specific teratogens during fetal development may also produce these defects.
Cleft lip with or without cleft palate occurs in approximately 1 in 1,000 births among Whites; the incidence is higher in Asians (1.7 in 1,000) and Native Americans (over 3.6 in 1,000) but lower in Blacks (1 in 2,500).
A family history of cleft defects increases the risk of a couple having a child with a cleft defect. Likewise, an individual with a cleft defect is at an increased risk for having a child with a cleft defect. Children with cleft defects and their parents or adult individuals should be referred for genetic counseling for accurate diagnosis of cleft type and recurrence risk counseling. Recurrence risk information is based on family history, the presence or absence of other physical or cognitive traits within a family, and prenatal exposure information.
Source: Professional Guide to Diseases (Eighth Edition), 2005
The term 'prevalence' of Cleft palate usually refers to the estimated population of people who are managing Cleft palate at any given time. The term 'incidence' of Cleft palate refers to the annual diagnosis rate, or the number of new cases of Cleft palate 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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