Developmental Milestones

Is Your Child Meeting Developmental Markers?

Autism (ASD) diagnosis is available for children ages 1–8 at Atlanta Autism Center. Our comprehensive ABA services include initial diagnosis, ongoing care and management, support with communication and activities of daily living, ABA, Speech, and Occupational Therapies, as well as referrals to specialty care when needed.

By 12 Months:

Two connected speech bubbles emitting sound waves, in a blue circle.
  • Does not respond to their name by 9 months
  • Does not show facial expressions such as happy, sad, angry, or surprised by 9 months
  • Does not play simple interactive games, such as pat-a-cake, by 12 months
  • Uses few or no gestures by 12 months, such as waving goodbye

By 16 Months:

Two green arrows exchanging directions within a dark blue circle.
  • Limited or inconsistent eye contact
  • Does not point to show others something interesting
  • Delays in language or communication
  • Unusual reactions to sounds, smells, tastes, textures, or other sensory experiences

By 24 Months:

Speech bubble icon with three dots, inside a blue circle with a white outline.
  • Does not notice when others are hurt or upset
  • Does not say at least two words together
  • Does not point to things in a book when asked
  • Stops gaining new skills or loses skills previously acquired
Chart comparing developmental milestones for 1, 2, and 3-year-olds.
Flyer for the Atlanta Autism Center. Developmental milestones for 4-year-olds are listed. QR codes for info are present.
Infographic: child development milestones stages at ages 1, 2, and 3.
Brochure about autism evaluations; green & pink QR codes, children playing soccer.