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Normal Development: 12 Months Old

Here's what you might see your baby doing between 12 months and 15 months old.

Daily Activities

  • Usually has a definite daily pattern.
  • Opens cabinets, pulls tablecloths.
  • Usually examines an object before putting into mouth.
  • Likes to feed self.

Language Development

  • Expresses complete thought with single syllable ("da" means "I want that").
  • Shows definite understanding of a few simple words.
  • Says a few words ("mama", "dada", "ball", "dog").
  • Loves rhythms and rhymes.

Emotional and Behavioral Development

  • Shows more negativism (may resist naps, refuse certain foods, throw occasional tantrums).
  • Continues to prefer people to toys.
  • Has developed a deep attachment to a few familiar people.
  • Loves to make parents laugh.
  • Shows somewhat less stranger anxiety.
  • May give up something on request.

Motor Skills

  • Usually walks with assistance; may walk without assistance.
  • Crawls rapidly.
  • Stands alone.
  • Seats self on floor.

Each child is unique. It is difficult to describe exactly what should be expected at each stage of a child's development. While certain behaviors and physical milestones tend to occur at certain ages, a wide range of growth and behavior for each age is normal. These guidelines show general progress through the developmental stages rather than fixed requirements for normal development at specific ages. It is perfectly natural for a child to reach some milestones earlier and other milestones later than the general trend.

If you have any concerns about your child's own pattern of development, check with your healthcare provider.