Unverified90% confidenceDecision RuleTime unknown
早孕试纸灵敏度以mIU/ml为单位,10mIU/ml的试纸可在受孕后约10-14天检出,25mIU/ml通常需月经推迟后检测;追求早测选10mIU/ml,避免焦虑选25mIU/ml在预定经期后测更准
1
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90%
Confidence
Long-term
Relevance
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Unverified选购早孕试纸时,检测灵敏度25mIU/mL的适合月经推迟后检测,10mIU/mL的高灵敏度产品可在预期月经前3-4天检测,但假阳性(生化妊娠误判)风险更高84% similarUnverified如果没有做过叶酸代谢基因检测、且无高危因素,400μg/天的标准剂量对大多数备孕和孕早期女性已经足够,选择斯利安即可满足指南推荐;有神经管畸形生育史等高危情况需遵医嘱调整剂量64% similarUnverified孕16周前不建议自行购买使用家用胎心仪,此阶段胎心位置不固定且信号微弱,找不到胎心极易引发焦虑,且新手容易把母体腹主动脉搏动(约70-90次/分)误当胎心,正常胎心应为110-160次/分63% similarUnverified孕周<28周不建议依赖胎动计数类APP,此阶段胎动尚不规律、无固定模式,机械计数容易因'数不够'制造无谓焦虑。此阶段更适合用简单孕期记录类APP63% similarPartially Verified每片0.4mg(400μg)是中国居民膳食指南推荐的备孕及孕早期标准预防剂量,适合无高危因素的普通备孕/孕早期女性62% similar
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