Developmental Milestones for 3 Month Olds
Every 3 month old develops at their own pace, but most reach a familiar set of milestones across four areas. Use this checklist to celebrate what your child is doing and notice what they might be ready to try next.
Get the full 3 month old milestone checklist
A printable PDF with every speech, motor, cognitive and social milestone — plus weekly age-matched tips delivered to your inbox. No date of birth needed.
Weekly emails matched to your child's age. Unsubscribe anytime in one click.
Speech & Language
- Coos and makes gurgling sounds
Vocalizes pleasure through coos.
- Babbles with expression
Strings together consonant sounds like ba-ba.
Motor Skills
- Lifts head during tummy time
Begins to lift and hold head up briefly when on tummy.
- Rolls over both ways
Can roll from tummy to back and back to tummy.
Cognitive
- Tracks moving objects
Follows moving items with eyes.
Social-Emotional
- Smiles at people
Reacts to caregivers with social smiles.
Want a personalised weekly plan for your 3 month old?
Earlykinder Pro builds an age-matched activity plan every week, tracks milestones, and answers your questions with an AI coach.
Start your free trial