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当前学科:病理妊娠
题目:
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下列哪项不是先兆流产的症状或体征()
A . 停经后出现少量阴道流血,鲜红色
B . 早孕反应仍存在
C . 轻微下腹痛、腰痛或下坠感
D . 已破膜
E . 子宫颈口未开大
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