Mnemonics for Pediatric Growth and Development Milestones: Easy-to-Remember Tools for Parents Gross Motor Development: Mnemonic for Pediatric Gross Motor Development Milestones One popular mnemonic device for remembering gross motor development milestones is Head control at 3 months, Rolling over at 6 months, Sitting with support at 9 months, Taping at 12 months, Walking with support
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