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Developmental Milestones
9-12 month old babies
• Copy hand movements like “patty cake,” or “bye-bye”
• Pick up crumbs or other small things with their thumb and a finger
• Move toys from one hand to the other hand
• Crawl on hands and knees
• Sit without help
• Repeat sounds like “baba,” “dada,” “mama”
• Cry when their mother or father leaves