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Signs of abnormal development at 18 months

Authoring team

Warning signs include:

  • unable to walk/stand unsupported (some normal infants do not walk until approaching 2 years of age)
  • inability to understand simple commands
  • still mouthing/casting
  • no spontaneous vocalisation
  • no pincer grip

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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