2. Posture disorder-all kinds of postures are abnormal and posture stability is poor. After 3 months, the head can't stand upright. Fists don't break easily. Legs don't straighten easily.
3. Mental retardation-normal intelligence is about 1/4, and light and moderate intelligence is about 1/2? Severe mental retardation is about 1/4.
4. Language barriers-difficulties in language expression, unclear pronunciation or stuttering. Can't talk when it's serious.
5. Audio-visual impairment-esotropia and difficult to distinguish the rhythm of sound are the most common.
6. Growth and development disorders-short stature.
7. Tooth development disorder-loose texture and easy to break.
8. Emotional and behavioral disorders-stubbornness, willfulness, irritability, withdrawn, emotional fluctuations, and sometimes obsessive, self-destructive and aggressive behaviors.
9.40%-50% of children with cerebral palsy will induce epilepsy, especially those with severe mental retardation.