Cerebral palsy (CP) is a group of disorders that affect a person’s ability to move and maintain balance and posture. CP is the most common motor disability in childhood. CDC estimates that an average of 1 in 323 children in the U.S. have CP.
![Boy holding A, B, and C wooden blocks](/congress115th/20190109214649im_/https://www.cdc.gov/ncbddd/childdevelopment/images/boy-holding-blocks-343px.jpg)
DEVELOPMENTAL MILESTONES
Children reach milestones in how they play, learn, speak, behave, and move. CDC has checklists to help parents and others track a child’s development.
![Image of toddler attempting to crawl up steps](/congress115th/20190109214649im_/https://www.cdc.gov/ncbddd/cp/images/motor-delay-363px.png)
MOTOR DELAY TOOL
Concerned about your child’s physical development but not sure what to do?
Try this tool for parents.
- Page last reviewed: April 18, 2018
- Page last updated: April 18, 2018
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