#AskTheExpert My son is 4 months old, he doesn’t react when we call his name…From when should I expect him to react to his name???

A. Meri age of 6 to 9 months when your child finally know that you are addressing them because a disease they do not know that they have a particular name that you are using to address them and always prefer using one formal name as that way you will never confuse a child voice they get confuse that whom r u calling