No matter the cause, CP occurs early in life. Symptoms often show up in the first years of a child's life. There is no condition known as late-onset.
Adults with cerebral palsy are at risk for certain conditions as they get older, Adulthood can onset musculoskeletal abnormalities that weren't.
When children with cerebral palsy mature into adults, however, they face onset of musculoskeletal abnormalities that did not previously exist.