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毛主席教导我们“人类要控制自己,做到有计划地增长”。为适应计划生育群众运动发展的需要,在上海市避孕药领导小组的支持下,组成了由工厂、研究所、医院组成的三结合协作组,研制脱落率和受孕率低的新型节育器——塑料带铜 T 型节育器。在试制过程中,我们广泛收集国内外有关避孕器研究技术资料,进行了认真分析。国外 T 型节育器:横臂大,两端尖锐,这样不仅会出现横臂嵌到肌层里
Chairman Mao taught us that “mankind needs to control itself and grow in a planned way.” In order to meet the needs of the development of the mass movement of family planning, with the support of the leading group of birth control pills in Shanghai, a three-pronged collaborative group consisting of factories, research institutes and hospitals was formed to develop a new type of IUD with low exfoliation rate and low conception rate - Plastic with copper T-type IUD. During the trial production process, we extensively collected technical data on research on contraception at home and abroad and conducted careful analysis. Foreign T-type IUD: horizontal arm, sharp at both ends, so that not only will appear in the horizontal arm embedded in the muscle