Unverified50% confidenceDecision RuleTime unknown
婴儿床垫硬度应选ILD值（压陷硬度）在专用婴儿床垫标准范围，用手掌按压回弹后不留明显凹陷、不下陷超过1cm为合格；过软床垫会增加婴儿俯卧位窒息风险，1岁内绝不能追求'柔软舒适'
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