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Birth of baby
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Moves both arms well and coordinate movements
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Make gurgling, cooing, babbling, or other sounds.
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Respond to parent's voices.
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Holds head up for short periods of time.
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Follow objects with eyes
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Recognize parents faces
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Turn head to locate a sound
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Roll over from stomach to back or from back to stomach
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push up with arms while lying on stomach
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put some weight on legs when held in standing position
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play with own hands and feet
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imitate sounds