30周B超，SD3.93

来自范明君医生的专业解答，快打开看看是否又获得了新的知识点～

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快速问医生

病情分析：你好，正常情况，怀孕30周后脐血流S/D值小于3.0。

范明君

主任医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医