Signs for concern:

• Birth to 3 months: Your child is not smiling or playing with others.
• 4 to 7 months: Is your child babbling?
• 7 to 12 months: Your child is only making a few sounds.
• 7 to 12 months: Does your child use gestures, such as waving and pointing?
• 7 months to 2 years: Is your child understanding what others say?
• 12 to 18 months: Your child is only saying a few words.
• 1.5 to 2 years: Is your child putting together two words?
• 2 years: Your child has fewer than 50 words.
• 2 to 3 years: Your child has difficulty playing and talking with other children.
• 2.5 to 3 years: Your child may have difficulty with early reading and writing; Does your child like to draw or look at books?