Difference between Global Developmental Delay and Autism spectrum disorder? Hello every one, sabse pehle hum Global Developmental Delay ko samjhte hein, agar child ke sabhi area jaisa walking, speaking, socialization, social and language child ki actual age se piche hai toh isko hum Global Developmental Delay (GDD) keh sakte hein. . Secondly, Autism mein child ke 3 area like socialization, communication and Behavior jaise repetitive Behavior, hyper active, poor eye contact, name call response hi nahi karta ya fir delay response deta hein. Sometimes child ko intellectual disabilities bhi hoti hai and in sbhi ko differentiate karne ek normal person k liye bhut difficult hai. So child ka proper diagnosis karwana bhut important hai. Jisme professional hi apki help kr skte hai and child ko Kon kon c therapy ki need hai and need basis k according hi aapko therapy suggest kr skte hai