Resources
American Speech-Language-Hearing Association (ASHA)
ASHA is the national credentialing association for audiologist and speech-language pathologists. Speech-language pathologists (SLPs) identify, assess, and treat speech, language, and swallowing disorders. ASHA provides information on speech and language disorders as well as resources for the public.
Read more about typical speech and language development, speech and language disorders, and more.
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CDC's Developmental Milestones
It's important to act early.
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Intervention is likely to be more effective when it is provided earlier in life rather than later.
2 months
4 months
6 months
9 months
1 year
Most babies can...
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React to loud sounds
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Makes sounds other than crying
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Smiles when you talk to them
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Makes sounds like “oooo”, “aahh” (cooing)
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Makes sounds back when you talk to them
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Turns head towards the sound of your voice
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Takes turns making sounds with you
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Blows “raspberries” (sticks tongue out and blows)
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Makes squealing noises
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Shows several facial expressions, like happy, sad, angry, and surprised
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Looks when you call her name
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Reacts when you leave (looks, reaches for you, or cries)
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Smiles or laughs when you play peek-a-boo
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Makes different sounds like “mamamama” and “babababa”
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Lifts arms up to be picked up
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Waves “bye-bye”
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Calls a parent “mama” or “dada” or another special name
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Understands “no” (pauses briefly or stops when you say it)
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Plays games with you, like pat-a-cake
