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根据金属铜能提高避孕效果,子宫收缩时宫腔呈“T”形的解剖特点以及聚乙烯具有质轻、对机体无害等优点,我组研制了一种带铜丝塑料节育器。1972年8月起先后在我省杭州、嘉兴等七个市、县临床试用,至1974年8月共放置4,097例,同时在上海市协作下也放置了1,645例。本省于1975年5月随访2,590例,放置时间最短10月,最长34月,1976年5月随访250例,最短36月,最长48月;1977年10月随访705例,最短36月,最长64月。现将使用五年情况总结如下:
According to the metal copper can improve the contraceptive effect, the uterus contractions uterine cavity was “T” -shaped anatomical characteristics and polyethylene has the advantages of light, harmless to the body, I developed a group with a copper wire plastic IUD. From August 1972, it has been clinically tested in seven cities and counties such as Hangzhou and Jiaxing in our province. By August 1974, a total of 4,097 cases were placed and 1,645 cases were placed under the collaboration of Shanghai. The province in May 1975 followed up 2,590 cases, the shortest placement time in October, up to 34 months, May 1976 followed up 250 cases, the shortest 36 months, up to 48 months; October 1977 follow-up 705 cases, the shortest 36 months, Up to 64 months. Now use the five-year situation is summarized as follows: