Milestones Guide

Baby Development Milestones

Track your baby's growth with our complete milestone guide covering 6 age groups from birth to 24 months.

Browse by age

0-3 months

14 milestones

3-6 months

19 milestones

6-9 months

14 milestones

9-12 months

17 milestones

12-18 months

19 milestones

18-24 months

19 milestones

Browse by category

Cognitive
22 milestones · all age groups
Language/Communication
26 milestones · all age groups
Movement/Physical
27 milestones · all age groups
Social/Emotional
27 milestones · all age groups

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Complete baby development milestone guide covering 6 age groups from birth to 24 months. Includes cognitive, language/communication, movement/physical, and social/emotional milestones for each age range.