[KongchangAI]
Unverified88% confidenceCautionTime unknown

孕20周前不建议自行购买家用胎心仪,此阶段胎心位置飘忽、家用设备灵敏度不足,找不到胎心极易引发不必要的焦虑,此时应以产检多普勒或B超为准

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88%
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Long-term
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