结论预防异位妊娠的发生，治疗盆腔炎是关键，掌握放置宫内节育器的适应证也至关重要。

Conclusion It is a key to treat chronic pelvic inflammation and the indication of intrauterine device for preventing ectopic pregnancy.

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提示该宫内节育器是安全的。

These indicated the IUD was safe.

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二是放置或者取出宫内节育器的；

2 place or take out an intrauterine device ;

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二是放置或者取出宫内节育器的；

2 place or take out an intrauterine device ;

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