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一种能被人们乐于采用的宫内节育器,需要避孕效果好、脱落率低和并发症少。最近,日本试制成一种新型的宫内节育器,名为“FD-1”。日本十一所医学研究所和医科大学附属医院对“FD-1”的临床效果和可接受性进行了两年的试验,本文报道和评价了这一试验结果。“FD-1”是用有弹性的隋性材料乙烯—醋酸乙烯酯共聚物制成,其形状如“鱼骨”,有四对横臂连接在一根长25毫米的垂直主杆上,横臂可以灵活地向下折叠,以适应子宫形状及收缩时子宫大小
A type of IUD that people are happy to use requires good contraception, low exfoliation and fewer complications. Recently, Japan made a trial of a new type of IUD, called “FD-1.” The clinical efficacy and acceptability of “FD-1” in Japan have been tested for two years by eleven medical institutes and medical university affiliated hospitals. The results of this study are reported and evaluated in this paper. “FD-1” is made of flexible, inert material ethylene-vinyl acetate copolymer and has the shape of a “fishbone” with four pairs of cross braces attached to a vertical mast 25 mm long The arms flexibly fold down to accommodate the shape of the uterus and the size of the uterus during contraction