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Approximate times of onset for various language developmental milestones are presented below. More detailed information is available from the menu options.

age of onset

  • blinks or becomes quiet in response newborn to sound
  • soft, guttaral noises when talked to 0 - 1 month
  • turns consistently to sound at ear level 1 - 3 months
  • squeals 6 - 20 weeks
  • turns to voice 14 - 30 weeks
  • says 'dada', 'mama' to anyone 6 - 10 months
  • says 'dada', 'mama' to parents 40 - 60 weeks
  • 3 words and 'dada'/'mama' 12 - 20 months
  • puts two words together 14 - 24 months
  • gives first and last name 2 - 4 years


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