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终止中期妊娠可作为孕妇因患某些疾病不宜继续妊娠的疗病性人工流产;在计划生育中可作为避孕失败后的一种补救措施。早期妊娠一般采用扩刮术或电吸法人工流产,但三个月以上妊娠的人工流产手术的危险性则逐渐增加,故中期引产多采用羊膜腔内注射药物的方法,现国外多用20%高渗氯化钠溶液、前列腺素;也有用优降宁等等。有人认为中期引产不属节育范畴,但有关研究成果对发展催经止孕方法有启示意义。其中,优降
Termination of mid-term pregnancy can be used as a pregnant woman due to certain diseases should not continue to pregnancy treatment of induced abortion; in family planning can be used as a remedy after failure of contraception. Early pregnancy general use of scaling or electrostimulation induced abortion, but more than three months of pregnancy induced abortion risk is gradually increased, so the mid-term induction of labor more use of amniotic cavity injection of drugs, are now more than 20% with high foreign Infiltration of sodium chloride solution, prostaglandins; also useful gifted Ning and so on. Some people think that mid-term labor induction is not a category of birth control, but the research results have implications for the development of the method of promoting pregnancy by stopping pregnancy. Among them, excellent drop