[KongchangAI]
Unverified50% confidenceCautionTime unknown

婴幼儿在2岁前普遍存在生理性膝内翻(O型腿),属于正常发育现象,2-3岁转为生理性膝外翻(X型),7岁左右自然恢复直立,因此对3岁以下无病理证据的儿童不应使用矫正绑带

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