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长期安放金属螺旋型子宫环不仅对劳动力没有明显影响，对临床常见症状，如月经异常，白带加多，腰痛等都不比未放环妇女加多，通过宫颈刮片癌细胞检查及宫内膜细胞学检查，未发现有致癌情况，本组资料，放环年限虽长，只要适当扩张宫颈，绝大部分都能顺利取出，环的光滑亦好，以我们有限的资料，初步认为：金属螺旋型子宫环是安全、效果好，副作用少，技术操作简单，易于推广的一种避孕方法，必要时可随时取出，无症状者，可安放10—20年，待出现经绝症状时取出，自愿者甚至可作为一种绝育方法使用。
Long-term placement of metal spiral uterine ring not only has no significant effect on the workforce, clinical symptoms, such as abnormal menstruation, leucorrhea plus more, low back pain than women do not put more than the ring, through cervical smear cancer cells and endometrial cells School inspection, did not find a carcinogenic situation, this group of information, although the long ring release ring, as long as the proper expansion of the cervix, the vast majority can be successfully removed, the ring is also smooth, with our limited information, initially that: metal spiral Uterine ring is safe, effective, less side effects, technical operation is simple, easy to promote a contraceptive method, if necessary, can be removed at any time, asymptomatic who can be placed 10-20 years, to be out when the symptoms are removed, the volunteers It can even be used as a sterilization method.