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本人就我院資料結合文献分析討論子宫内避孕器之效果及其作用机制的目前理論。本组病例避孕环效果为96.67％,与一般相仿,但其环存在率较文献报导为差,主要为子宫内避孕环选用不适合及随防不够所致。建议今后在这方面须注意研究,在供应上应注意环的質料及大小。置环后的影响迄至目前观察并不显著,即使再孕,亦不致损害胎儿发育。但仍宜加强科研,对已提出之并发症情况,了解其因果或偶合关系,至于环之存在时間应视环之質料与大小是否适合(是否产生症状)而定。目前应用我国市售品(金属)以不超过三年为宜。最后認为子宫内避孕器适合我国广大妇女需要,尤其适合农村妇女应用,但必须做好宣传工作,并切实做到技术下放,为支援农业、促进社会主义建設事业,提供力量。
I on the hospital data combined with the literature analysis of the effectiveness and mechanism of intrauterine device of the current theory. The effect of this group of cases of contraceptive ring was 96.67%, similar to the general, but the ring than the literature reported poor, mainly due to the selection of intrauterine contraceptive ring is not suitable and with inadequate prevention. It is suggested that in the future, attention should be paid to research in this area. Pay attention to the quality and size of rings in supply. The effect of the ring after the current observation is not significant, even if the pregnancy, will not damage fetal development. However, scientific research should still be strengthened. The causal relationship or coupling between the two has been suggested. The existence time of the ring should depend on the suitability of the material and the size of the ring (whether or not the symptoms develop). The current application of China’s commercial products (metal) to no more than three years is appropriate. Finally I believe that the IUD is suitable for the needs of the majority of women in our country and is especially suitable for the application of rural women. However, publicity work must be well done and technical decentralization must be effectively carried out so as to provide support for supporting agriculture and promoting socialism.