MAIN MENU
QUICK LINKS
CONNECT WITH US

Button

Developmental milestones record - 9 months

  • Definition
    • At 9 months, a typical infant will have certain skills and reach growth markers called milestones.

  • Alternative Names
    • Growth milestones for children - 9 months; Childhood growth milestones - 9 months; Normal childhood growth milestones - 9 months

  • Information
    • All children develop a little differently. If you are concerned about your child's development, talk to your child's health care provider.

      PHYSICAL CHARACTERISTICS AND MOTOR SKILLS

      A 9-month-old has usually reached the following milestones:

      • Gains weight at a slower rate, about 15 grams (half an ounce) per day, 1 pound (450 grams) per month
      • Increases in length by 1.5 centimeters (a little over one-half inch) per month
      • Bowel and bladder become more regular
      • Puts hands forward when the head is pointed to the ground (parachute reflex) to protect self from falling
      • Is able to crawl
      • Sits for long periods
      • Pulls self to standing position
      • Reaches for objects while sitting
      • Bangs objects together
      • Can grasp objects between the tip of the thumb and index finger
      • Feeds self with fingers
      • Throws or shakes objects

      SENSORY AND COGNITIVE SKILLS

      The 9-month-old typically:

      • Babbles
      • Has separation anxiety and may cling to parents
      • Is developing depth perception
      • Understands that objects continue to exist, even when they are not seen (object constancy)
      • Responds to simple commands
      • Responds to name
      • Understands the meaning of "no"
      • Imitates speech sounds
      • May be afraid of being left alone
      • Plays interactive games, such as peek-a-boo and pat-a-cake
      • Waves bye

      PLAY

      To help the 9-month-old develop:

      • Provide picture books.
      • Provide different stimuli by going to the mall to see people, or to the zoo to see animals.
      • Build vocabulary by reading and naming people and objects in the environment.
      • Teach hot and cold through play.
      • Provide large toys that can be pushed to encourage walking.
      • Sing songs together.
      • Avoid television time until age 2.
      • Try using a transition object to help decrease separation anxiety.
  • References
    • Feigelman S. The first year. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 8.