2 to 3 out of every 1,000 children "Prevalence of Cerebral Palsy" 2 to 3 out of every 1,000 children 2 to 3 out of every 1,000 children 2 to 3 out of every 1,000 children "Prevalence of Cerebral Palsy" 2 to 3 out of every 1,000 children 2 to 3 out of every 1,000 children 2 to 3 out of every 1,000 children