Your Baby at 6 Months: Complete Milestone Guide

7 min read
Updated: September 1, 2025
Medical-grade accuracy

Discover what your 6-month-old baby should be doing, how to support their development, and when to seek medical advice. This comprehensive guide is based on WHO and CDC standards to ensure your baby's growth is on track.

Key Milestones for 6-Month-Old Babies

Social/Emotional Milestones

  • Knows familiar people
  • Likes to look at himself in a mirror
  • Laughs

Language/Communication Milestones

  • Takes turns making sounds with you
  • Blows "raspberries" (sticks tongue out and blows)
  • Makes squealing noises

Cognitive Milestones (learning, thinking, problem-solving)

  • Puts things in her mouth to explore them
  • Reaches to grab a toy he wants
  • Closes lips to show she doesn't want more food

Movement/Physical Development Milestones

  • Rolls from tummy to back
  • Pushes up with straight arms when on tummy
  • Leans on hands to support himself when sitting

Help Your Baby Learn and Grow

As your baby's first teacher, you can help their learning and brain development. Try these simple tips and activities in a safe way. Talk with your baby's doctor and teachers if you have questions or for more ideas on how to help your baby's development.

Use "back and forth" play with your baby. When your baby smiles, you smile; when he makes sounds, you copy them. This helps him learn to be social.
"Read" to your baby every day by looking at colorful pictures in magazines or books and talk about them. Respond to her when she babbles and "reads" too. For example, if she makes sounds, say "Yes, that's the doggy!"
Point out new things to your baby and name them. For example, when on a walk, point out cars, trees, and animals.
Sing to your baby and play music. This will help his brain develop.
Limit screen time (TV, tablets, phones, etc.) to video calling with loved ones. Screen time is not recommended for children younger than 2 years of age. Babies learn by talking, playing, and interacting with others.
When your baby looks at something, point to it and talk about it.
Put your baby on her tummy or back and put toys just out of reach. Encourage her to roll over to reach the toys.
Learn to read your baby's moods. If he's happy, keep doing what you are doing. If he's upset, take a break and comfort your baby.
Talk with your baby's doctor about when to start solid foods and what foods are choking risks. Breast milk or formula is still the most important source of "food" for your baby.
Learn when your baby is hungry or full. Pointing to foods, opening his mouth to a spoon, or getting excited when seeing food are signs that he is hungry. Others, like pushing food away, closing his mouth, or turning his head away from food tells you that he's had enough.
Help your baby learn she can calm down. Talk softly, hold, rock, or sing to her, or let her suck on her fingers or a pacifier. You may offer a favorite toy or stuffed animal while you hold or rock her.
Hold your baby up while she sits. Let her look around and give her toys to look at while she learns to balance herself.

When to Be Concerned

You know your baby best. Don't wait.

If your baby is not meeting one or more milestones, has lost skills they once had, or you have other concerns, act early.

Talk with your baby'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 baby'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 baby more thoroughly.

Download Your 6-Month Milestone Checklist

Free Milestone Checklist

Download our comprehensive 6-month milestone checklist to track your baby'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 baby do together?
  • What are some things your baby likes to do?
  • Is there anything your baby does or does not do that concerns you?
  • Has your baby lost any skills they once had?
  • Does your baby have any special healthcare needs or were they born prematurely?

Safety Reminders:

  • Do not shake your baby or allow anyone else to—ever!
  • Do not leave your baby alone during tummy time
  • Place baby on back in safe sleep area when sleepy
  • Watch for signs of hunger and fullness

Last updated: September 1, 2025

Medical Disclaimer

This article is for educational purposes only and should not replace professional medical advice. Always consult healthcare providers for medical decisions about your child's health and development.

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