- Incidence in the Unites States: approximately 1 in 700 live births
- Number of babies born with cleft lip and palate in the United States: more than 5,000 per year
- Percentage requiring speech-language treatment: 50%-75%, from various sources
- Percentage requiring treatment for resonance disorder: 25%-38%, from various sources
- Percentage with middle ear disease/conductive hearing loss in infancy: 95%-97%, from various sources
- Number of SLPs who are members of ACPA: 387 (2006)
- Number of SLPs who are members of ASHA Division 5, Speech Science and Orofacial Disorders: 615 (2007)
- Number of SLPs who are ASHA members: 122,762 (2006)
- Percentage of SLPs reporting they feel "not competent" to treat children with cleft lip/palate: 44.1%
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