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An infants first form of communication is crying. When the newborn is happy they will make cooing sounds.
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Infant will alter their cry according to the situation. There will be a distinction between a hunger cry and a tired cry.
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Infants tend to cry less and begin making gurgling sounds and consonant sounds such as "baba".
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Infants begin to create intonations. They respond to caregivers talk and facial expressions, begins to babble to themselves and laughs when they play.
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Babies are babbling with a greater diversity and create new sound combinations and intonations. They will have pretend conversations taking turns in talking. They will also recognize familar objects.
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The important first words have been spoken, usually "mummum" or "dada". They may know up to five words well enough to use them.
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Toddler will raise voice at the end of an utterance indicating a question. They will also use hand gestures to complement speech. Maybe able to say up to 6 simple words.
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Toddler is talking rather than babbling. They call to get attention, shake head for yes and no and use common consonant sounds such as t, d, n, w, and h.
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Toddler has a vocabulary between 20 to 50 words, including nouns such as 'mama', verbs such as "eat", and adjectives such as 'cold', and are able to combine two words together.
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During this time frame the toddler will start putting three word phrases together,"Daddy go by-by", "milk make mess".
