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4 months
Mastered Skills (most kids can do)
• Holds head up steadily
• Can bear weight on legs
• Coos when you talk to him
Emerging Skills (half of kids can do)
• Can grasp a toy
• Reaches out for objects
• Can roll over
Advanced Skills (a few kids can do)
• Imitates speech sounds — baba, dada
• May cut first tooth
• May be ready for solids