[KongchangAI]
Unverified85% confidenceCautionTime unknown

为孕妇腹中胎儿使用的'胎教/隔音'肚兜类产品无科学依据且不建议购买,子宫内羊水已提供天然缓冲,外部声音需超过85dB持续暴露才有风险,普通环境无需额外隔音

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