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随着婚前性行为人数的增加,非意愿妊娠的妇女逐渐增多,无痛人流为避孕失败的补救措施,给广大妇女带来了福音。对妊娠十周以上至十四周,需要终止妊娠时,因胎儿较大需要作钳刮,为保证钳刮手术顺利进行,先作扩张宫颈准备[1]。
With the increase in the number of premarital sexual acts, the number of unwilling pregnant women gradually increased, painless as a remedy for contraceptive failure, to bring the gospel to the majority of women. For pregnancy more than 10 weeks to 14 weeks, the need for termination of pregnancy, due to greater need for the fetus scraping forceps, scraping surgery to ensure the smooth progress, first for cervical dilatation [1].