18 Months

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Developmental Milestones

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Summary

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Key Points

1.5 Year (18 Month) Developmental Milestones
- Gross Motor
  - Runs
    - May take as long as 2 years to develop
  - Climbs stairs (with help)
    - Without help by 2 years
  - Jumps in place
    - May take as long as 2 years to develop
- Fine Motor
  - Stacks 3-4 blocks
    - Mnemonic: Age x 3
  - Scribbles
  - Uses cup/spoon
  - May remove clothing
- Language
  - 10-25 word vocabulary
    - Usually single word statements (no sentences)
- Social/Cognitive
  - Temper tantrums
  - Understands ownership
  - Imitates