Year 1
NewbornNewborn milestones & reflexes: the first month→ 1 month1-month milestones: first social cues→ 2 months2-month milestones: the social smile→ 3 months3-month milestones: hands, coos & head control→ 4 months4-month milestones (CDC): rolling & reaching→ 5 months5-month milestones: sitting with support→ 6 months6-month milestones (CDC): sitting & transferring→ 7 months7-month milestones: babbling & object permanence→ 8 months8-month milestones: crawling & pincer grasp→ 9 months9-month milestones (CDC): gestures & name response→ 10 months10-month milestones: cruising & first words→ 11 months11-month milestones: pointing & understanding no→ 12 months12-month milestones (CDC): first words & walking→Year 2
15 months15-month milestones (CDC): words & following directions→ 18 months18-month milestones (CDC): pretend play & running→ 21 months21-month development: vocabulary & independence→ 2 years2-year milestones (CDC): phrases & toilet readiness→3–6 yr
3 years3-year milestones + potty training readiness→ 4 years4-year milestones (CDC): storytelling & friendships→ 5 years5-year milestones (CDC): school readiness→ 6 yearsThe 6-year-old: growth, skills & when to check in→Behavior, potty & screens
18–36 moPotty training readiness: 10 signs + how to start→ 1–4 yrToddler tantrums by age: what actually works→ 0–5 yrScreen time by age: the real AAP guidance→ 3–5 yrPreschool readiness: the skills that matter→ 1–4 yrSpeech milestones 12-48 months & the late talker→