In a child, one should be worried if

.ge 2 months 3 months 6 months 9 months 12 months 15 months 18 months 2 years 3 years 4 years 5 years Milestone . . ( mile after being talked to) social smile s ther* anticipates feeds Recognizes mo * . t angers stranger anxiety Recognizes s r ' waves "bye bye" . h Called* plays simple ball game comes w en ' Jargon . Copies parents in task (~.g. sweeping) f food drink toilet; pulls people to Asks or * ' show toys Shares toys; knows full name and gender Plays cooperatively in a group; goes to toilet alone Helps in household tasks, dresses and undress