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0-12 months
1-3 years
3-5 years
5-8 years
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0-12 months
1-3 years
3-5 years
5-8 years
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Accueil /
0–12 months /
4 months
Your baby is now 4 months old. Major changes are underway! See how their development progresses at this age.
Emotional development
Fine motor skill development
Gross motor skill development
Cognitive and linguistic development
Social development