hello dr my son is 4 months old from past one week he is not having his milk in a regural interval which I supposed to give in every 3 hr 120 ml but from past one week gap exceed 5 hr . and he has started taking his hand in mouth also . his stool was not good in starting 3 or 4 days stool was seedy n yellows but now stool is fine . I m much concern abt milk . he is on formula milk NAN pro