Developmental milestones record - 9 months; Childhood growth milestones - 9 months; Normal childhood growth milestones - 9 months
This article describes the skills and growth markers relevant to 9 month-old infants.
A 9 month-old generally has reached the following milestones.
Physical characteristics and motor skills:
- Weight gain slows down to approximately 15 grams per day, 1 pound per month
- Length should increase by 1.5 centimeters per month
- Bowel and bladder systems become more regulated
- Parachute reflex to protect self from falling
- Has the ability to crawl
- Can remain sitting for prolonged periods
- May pull self to standing position
- Begins preference for dominant hand
- Has a pincer grasp between thumb and index finger
Sensory and cognitive:
- Development of depth perception
- Achieve “object constancy”, the understanding that objects continue to exist even when not seen
- Can respond to simple commands
- Understands the meaning of no
- Imitates speech sounds
- May be afraid of being left alone
- Provide picture books
- Provide different stimuli: o Go to the mall (people) o Go to the zoo (animals)
- Play ball
- 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
by Janet G. Derge, M.D.
All ArmMed Media material is provided for information only and is neither advice nor a substitute for proper medical care. Consult a qualified healthcare professional who understands your particular history for individual concerns.