[KongchangAI]
Unverified82% confidenceFactTime unknown

预产期和孕周计算应确认App支持按末次月经(LMP)和B超孕周(基于CRL)双重校准,仅用LMP推算对月经不规律者误差可达1-2周,影响产检时间节点提醒准确性

1
Sources
82%
Confidence
Long-term
Relevance
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First Seen

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get_claim(id=480230)