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通常临床上放置宫形节育器带器妊娠率较高。自1996年3月～1997年2月对126例要求节育妇女新方法放置宫形环，近期临床观察有效率为97．6％。1资料与方法1．1对象选择：在门诊和镇计划生育服务站选择年龄22～35岁，无子宫肌瘤及宫腔感染的育龄妇女。要求月经于净3～7天或产后42天
Inertia is usually clinically placed with a higher pregnancy rate. From March 1996 to February 1997, 126 cases of women requiring contraception of women placed uterine ring, the recent clinical observation of the effective rate was 97.6%. 1 Materials and Methods 1.1 Object Selection: In the outpatient and town family planning service stations choose the age of 22 to 35 years old, without uterine fibroids and uterine infection of women of childbearing age. Require menstruation in the net 3 ~ 7 days or 42 days postpartum