Key Milestones for 15-Month-Old Babies
Social/Emotional Milestones
- Copies other children while playing, like taking toys out of a container when another child does
- Shows you an object she likes
- Claps when excited
- Hugs stuffed doll or other toy
- Shows you affection (hugs, cuddles, or kisses you)
Language/Communication Milestones
- Tries to say one or two words besides "mama" or "dada," like "ba" for ball or "da" for dog
- Looks at a familiar object when you name it
- Follows directions given with both a gesture and words. For example, he gives you a toy when you hold out your hand and say, "Give me the toy."
- Points to ask for something or to get help
Cognitive Milestones (Learning, Thinking, Problem-Solving)
- Tries to use things the right way, like a phone, cup, or book
- Stacks at least two small objects, like blocks
Movement/Physical Development Milestones
- Takes a few steps on his own
- Uses fingers to feed herself some food
When to Worry
You know your child best. Don't wait.
If your child is not meeting one or more milestones, has lost skills he or she once had, or you have other concerns, act early.
Talk with your child's doctor:
- Share your concerns
- Ask about developmental screening
- Get a referral to a specialist if needed
Contact Early Intervention Services:
If you have concerns about your child's development, contact your local early intervention program for evaluation and support services.
If you or the doctor are still concerned:
- Ask for a referral to a specialist who can evaluate your child more thoroughly
For more on how to help your child:
Visit cdc.gov/Concerned for additional resources and guidance.
Help Your Child Learn and Grow
As your child's first teacher, you can help his or her learning and brain development. Try these simple tips and activities in a safe way. Talk with your child's doctor and teachers if you have questions or for more ideas on how to help your child's development.
Download Your 15-Month Milestone Checklist
Free Milestone Checklist
Download our comprehensive 15-month milestone checklist to track your child's development. Take it with you to doctor visits and use it to monitor progress at home.
No email required • Instant download • Based on WHO & CDC standards
Other Important Things to Share with the Doctor
Questions to Discuss:
- What are some things you and your child do together?
- What are some things your child likes to do?
- Is there anything your child does or does not do that concerns you?
- Has your child lost any skills he/she once had?
- Does your child have any special healthcare needs or was he/she born prematurely?
Safety Reminders:
- Do not shake your child or allow anyone else to—ever!
- Do not leave your child alone during play time
- Place child on back in safe sleep area when sleepy
- Watch for signs of hunger and fullness