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宫内节育器（简称ＩＵＤ）是我国最常用的节育方法。据１９９８年报道，全国有９ ９００余万妇女使用。这些妇女最终均需将ＩＵＤ取出。对于无尾丝的ＩＵＤ，根据常规，大多用取环钩钧取，正常情况下均能顺利取出，但遇操作不熟练或有ＩＵＤ粘连等情况，钩取时易损伤子宫肌层或
IUD (referred to as IUD) is the most commonly used method of birth control in China. According to reports in 1998, more than 90 million women were used throughout the country. These women eventually have to remove the IUD. For the non-tailed IUD, according to the conventional, mostly take the hook to take Jun, under normal circumstances can be successfully removed, but in the case of inexperienced operation or IUD adhesions, etc., when the hook is easy to damage the myometrium or