How do experts see if the baby is cerebral palsy

If your baby has reduced activity, nursing difficulties, feeding difficulties, sucking incoordination, muscle tone abnormalities, difficulty falling asleep, 3-5 months can not lift his hands, 7-8 months will not sit, 8 months later will not climb, intelligence, hearing and vision development are obviously impaired, it is likely to be cerebral palsy. Should go to the hospital for further diagnosis.