Superseded95% confidenceDecision RuleTime unknown
0-6个月新生儿必须选可躺角度≥170度（近乎平躺）或带卧篮/提篮的推车，半躺角度会压迫脊椎和呼吸道；能坐后（6月+）才可用105-130度半躺伞车
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This knowledge claim has been superseded by newer content
0-6个月新生儿必须选择靠背可平躺至165°以上的推车，脊柱未发育不能长时间坐立；6个月后可用110-130°半躺，1岁以上可用直立坐姿Sources
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