Hello mam. My son has autism he is 3 years old taking treatment from 4 months. My 2nd baby girl get autism how much %chances are there? She excessively cries when some thing fall from her hand and she frequently move her head side to side. Is it a symptom of autism? She is 6 months old. Instead of roll over she is crawling a bit. One of the doctor said vaccine s bring the autism take homeopathy medicine he said to avoid chance s of autism. 1st please hel me my baby is normal. thank you.