Cerebral palsy in most cases is caused by an injury to the developing brain either during pregnancy or shortly after birth. It is a permanent life-long condition, but generally does not worsen over time.
Cerebral palsy affects body movement, muscle control, muscle coordination, muscle tone, reflex, posture and balance. People who have cerebral palsy may also have visual, learning, hearing, speech, epilepsy and intellectual impairments.
References: