Important Milestones: By the End of One Year (12 Months)

Babies develop at their own pace, so it’s impossible to tell exactly when your child will learn a given skill. The developmental milestones listed below will give you a general idea of the changes you can expect, but don’t be alarmed if your own baby’s development takes a slightly different course.

Social and Emotional

• Shy or anxious with strangers
• Cries when mother or father leaves
• Enjoys imitating people in his play
• Shows specific preferences for certain people and toys
• Tests parental responses to his actions during feedings
• Tests parental responses to his behavior
• May be fearful in some situations
• Prefers mother and/or regular caregiver over all others
• Repeats sounds or gestures for attention
• Finger-feeds himself
• Extends arm or leg to help when being dressed

Cognitive

• Explores objects in many different ways (shaking, banging, throwing, dropping)
• Finds hidden objects easily
• Looks at correct picture when the image is named
• Imitates gestures
• Begins to use objects correctly (drinking from cup, brushing hair, dialing phone, listening to receiver)

Language

• Pays increasing attention to speech
• Responds to simple verbal requests
• Responds to “no”
• Uses simple gestures, such as shaking head for “no”
• Babbles with inflection (changes in tone)
• Says “dada” and “mama”
• Uses exclamations, such as “Oh-oh!”
• Tries to imitate words

Movement

• Reaches sitting position without assistance
• Crawls forward on belly
• Assumes hands-and-knees position
• Creeps on hands and knees
• Gets from sitting to crawling or prone (lying on stomach) position
• Pulls self up to stand
• Walks holding on to furniture
• Stands momentarily without support
• May walk two or three steps without support

Hand and Finger Skills

• Uses pincer grasp
• Bangs two objects together
• Puts objects into container
• Takes objects out of container
• Lets objects go voluntarily
• Pokes with index finger
• Tries to imitate scribbling

 

From CARING FOR YOUR BABY AND YOUNG CHILD: BIRTH TO AGE 5 by Steven Shelov, Robert E. Hannermann, © 1991, 1993, 1998, 2004 by the American Academy of Pediatrics. Used by permission of Bantam Books, a division of Random House, Inc.