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Learn the Signs. Act Early.
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Learn the Signs Home
Milestones
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9 months
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18 months
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5 years
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Tools for Tracking Milestones
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Page last reviewed:
October 25, 2017
Page last updated:
February 6, 2018
Content source:
Division of Birth Defects, National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention
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