Objective To explore the clinical effect of postmenopausal IUD removal with ovestin, misoprostol and lidocaine under B-ultrasound monitoring. Methods 186 cases of healthy postmenopausal women were randomly and evenly divided into three groups, and treated with ovestin placed in vagina once every night 7 d before operation. Under B-ultrasound monitoring, group A had ICU removed with 2%lidocaine and misoprostol 0.4 mg 2 h before operation, group B had ICU removed only with misoprostol 0.4 mg 2 h before operation, and group C had ICU removed directly. The cervical softening, intraoperative pain and IUD removal among three groups were compared. Results The three groups had statistical differences in the extent of cervical dilation, intraoperative pain, operation time, cervix size and blood loss (P<0.05);the comparable results of IUD removal showed that group A were significantly better than group B and group C (P<0.05). Conclusions Under B-ultrasound monitoring, ovestin, misoprostol and lidocaine applied in post menopausal women for IUD removal has the advantages of shorter operation time, better cervical softening, less intraoperative pain, less blood loss and higher success rate.%目的：探讨月超监测下欧维婷、米索前列醇和利多卡因应用于绝经后妇女宫内节育器取出的临床效果。方法选择186例绝经后健康妇女，随机均分为三组，三组术前7凿均每晚欧维婷阴道用药一次。在月超监测下，A组术前2澡阴道后穹窿放置米索前列醇0.4皂早，取器时用2豫利多卡因行宫颈旁阻滞麻醉，并用小棉签蘸取2豫利多卡因1皂蕴插入宫颈管内<2糟皂，3皂蚤灶后取器；月组术前2澡于阴道后穹窿放置米索前列醇0.4皂早后进行取器；悦组直接取器。比较三组的宫颈软化情况、术中疼痛程度及取器的术中情况。结果三组在宫颈软化、术中疼痛、手术时间、宫颈口大小、出血量方面比较，差异有统计学意义(孕<0.05)；取器结果比较，A组明显优于月组和悦组(孕<0.05)。结论月超监测下，欧维婷、米索前列醇、利多卡因三种药物联合用于绝经后陨哉阅取出，具有手术时间短、宫颈松弛好、术中疼痛轻、术中出血量少、取器成功率高等优点。
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