Milestones by Age
Developmental milestones are skills and behaviors that most children reach by a certain age, as tracked by the CDC and AAP — including physical, cognitive, language, and social-emotional markers from birth to 36 months.
Track your baby's developmental milestones from 1 to 36 months, covering gross motor, fine motor, language, social-emotional, and cognitive skills. All milestone ranges are based on CDC, WHO, and AAP guidelines.
Select your child's age below to see what to expect at each stage and when to talk to your pediatrician.
1month1 Month2months2 Months4months4 Months6months6 Months9months9 Months12months12 Months15months15 Months18months18 Months24months24 Months (2 Years)30months30 Months (2.5 Years)36months36 Months (3 Years)
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