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3 Month Old Milestones: What to Expect and How to Support Development Mimou Babywear

Blog

3 Month Old Milestones: What to Expect and How to Support Development

on May 23 2026
The 3-month mark brings some of the most exciting developments of the first year. Here's a complete guide to physical, social, communication, and sleep milestones at 3 months — and when to speak to your pediatrician.