Normal childhood growth milestones - 18 months

Alternative names
Growth milestones for children; Developmental milestones record; Childhood growth milestones

Information

Infant - birth to 1 year

     
  • Displays social smile  
  • Rolls over by self  
  • Able to sit alone, without support  
  • Babbling  
  • Plays peek-a-boo  
  • Eruption of 1st tooth  
  • Pulls self to standing position  
  • Walks while holding on to furniture or other support  
  • Says mama and dada, using terms appropriately  
  • Able to drink from a cup  
  • Understands “NO” and will stop activity in response  
  • Walks without support

Toddler - 1 to 3 years

     
  • Masters walking  
  • Recognizes gender differences  
  • Uses up to 8 words and understands simple commands  
  • Able to run, pivot, and walk backwards  
  • Uses spoon to feed self  
  • Can name pictures of common objects and point to body parts  
  • Able to walk up and down stairs  
  • Imitates speech of others, “echoing” word back  
  • Begins pedaling tricycle  
  • Learns to take turns (if directed) while playing with other children  
  • Able to feed self neatly, with minimal spilling  
  • Able to state first and last name  
  • Recognizes and labels colors appropriately  
  • Able to draw a line (when shown one)  
  • Dresses self with only minimal help  
  • Learns to share toys (without adult direction)

Preschooler - 3 to 6 years

     
  • Rides tricycle well  
  • Able to draw a circle  
  • Able to draw stick figures with 2 to 3 features for people  
  • Hops on one foot  
  • Catches a bounced ball  
  • Understands size concepts  
  • Enjoys rhymes and word play  
  • Able to skip  
  • Enjoys doing most things independently, without help  
  • Balances better, may begin to ride a bicycle  
  • Understands time concepts  
  • Begins to recognize written words - reading skills start  
  • Starts school

School-age child - 6 to 12 years

     
  • Understands and able to follow sequential directions  
  • Beginning skills for team sports (soccer, T-ball, etc.)  
  • Begins to lose “baby” teeth and erupt permanent teeth  
  • Routines important for daytime activities  
  • Reading skills develop further  
  • Peer recognition begins to become important  
  • Girls begin to show growth of armpit and pubic hair, breast development  
  • Menarche (1st menstrual period) may occur in girls

Adolescent - 12 to 18 years

     
  • Boys show growth of armpit, chest, and pubic hair; voice changes; and testicular/penile enlargement  
  • Girls show growth of armpit and pubic hair; breast development; menstrual periods  
  • Adult height, weight, sexual maturity  
  • Understands abstract concepts  
  • Peer acceptance and recognition is of vital importance

 

Johns Hopkins patient information

Last revised: December 7, 2012
by Mamikon Bozoyan, M.D.

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