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有关流产的概念,正确的是(  )。

单选题
2021-07-17 20:31
A、妊娠不满24周,胎儿体重<800g而终止者称为流产
B、先兆流产表现为少量阴道流血,宫口未开,子宫大小与孕周相符
C、难免流产表现为阴道流血增多,阵发性腹痛加剧,B超可见胎心搏动
D、流产发生在妊娠12周以后者为早期流产
E、稽留流产为宫口未开,子宫小于孕周,胚胎或胎儿在子宫内死亡已超过1个月,但未自然排出者
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正确答案
B

试题解析

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