Results in contrast to group b, group a was conduced with a shorter period of time, higher removal rate, lower incidence of leakage of IUD and lese amount of bleeding.
结果实验组与对照组相比，实验组手术时间较短、顺利取出率较高、IUD断裂率较低、术中出血量较少。
Results in contrast to group b, group a was conduced with a shorter period of time, higher removal rate, lower incidence of leakage of IUD and lese amount of bleeding.
结果实验组与对照组相比，实验组手术时间较短、顺利取出率较高、IUD断裂率较低、术中出血量较少。
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