text_1: For every 1,000 children with cerebral palsy, more than 300 of them are premature or underweight at birth.
text_2: CONCLUSION Population-based CP prevalence rates for children whose gestational age was 20 to 27 weeks and whose birth weight ranged from 500 to 1249 g show steady reductions in the last decade with stable or reducing mortality, reversing trends prior to 1992-1994.