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计划生育是当代科学研究的重点课题之一,也是我国实现四化的一项战略决策。人工流产虽属补救措施,但至今仍不失为一种比较方便有效的中止早孕的方法,在国内外均占有一定比例。然而,即使是长期使用的负压吸宫术,对于剖宫产后短期内妊娠、哺乳期受孕、既往多次人工流产(3次以上),或有近期(半年)人工流产史以及曾发生人工流产综合反应,或子宫畸形等情况,就显得无能为力了。况且,它还受到设备条件、操作者技术水平等因素的限制,因此需
Family planning is one of the key issues in contemporary scientific research and also a strategic decision to realize the four modernizations in our country. Although abortion is a remedy, it is still a convenient and effective way to suspend early pregnancy and occupy a certain proportion at home and abroad. However, even if long-term negative pressure aspiration is used, there is a short period of gestation and lactation after cesarean section, multiple previous abortion (more than 3 times), or recent (6 months) abortion and the occurrence of artificial Abortion, comprehensive response, or uterine malformations, it seems powerless. Moreover, it is also subject to equipment conditions, the technical level of the operator and other factors, therefore required