Enter your baby's age to see reference milestones across movement, hand skills, language and social development, with a reminder to raise any concerns. This is an approximate reference, not medical advice; for any health concern or emergency, contact your pediatrician or emergency services, and follow WHO, CDC or your local health authority guidance.
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How to Use the Developmental Milestones Tool
Enter your baby's age and press Show Milestones. You get the milestones often seen around that age, grouped by area of development.
Reading the result
Milestones are guides, not deadlines; babies reach them at different times.
Losing a skill your baby had before is a reason to seek advice.
Premature babies may reach milestones later; use their adjusted age.
Your pediatrician checks development at well-baby visits.
Features
Milestones for gross motor, fine motor, language and social skills
Age bands from birth to three years
A clear reminder to consult your pediatrician about concerns
This is an approximate reference, not medical advice; for any health concern or emergency, contact your pediatrician or emergency services, and follow WHO, CDC or your local health authority guidance.
All processing runs locally in your browser. Your data is not uploaded to any server.
If you are worried about your baby's development at any age, do not wait. Talk to your pediatrician, who can assess and reassure or refer you on.