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Your newborn will cry and begin to recongize the mothers voice
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By the end of three months, about four months the infant will begin making cooing sounds and smile when he or she reconizes your voice
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The infant will begin making babble repeative syallables and will make gurgling noices when alone or not
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Your infants grunts, whines string together different syllables
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By the end of the childs first year, they will begin to try and imitate words such as "dada" or "moma".