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作者认为,现行终止妊娠的方法与传统的妊娠分期不相适应,因此提议把妊娠分为:停经49天以内、8～15周和16～24周三期。终止早孕(停经49天以内) 终止8周以内妊娠最常用的方法是吸宫术。这种方法存有某些不足。一些研究表明,妊娠7周以前人流并发症的发生率比妊娠8～10周时高。另外,有些妇女希望能在家使用非手术的终止妊娠方法。于是发展了很多手术性和非手术性终止妊娠的方法,但有些方法尚未达到临床实用阶段。催经术(menstrual regulation)是70年代初发展起来的一种手术方法。曾被认为是一种安全、有效、可行的方法。因催经术是在妊娠试验阳性前施行,就有27～59%的未孕妇女也施行了手术;失败率(继续妊娠或不全流产)高达11～12%;由此导致较为复杂的随访工作。在美国,催经术的
The author believes that the current method of termination of pregnancy is not compatible with the traditional pregnancy stage, it is proposed that the pregnancy is divided into: menopause within 49 days, 8 to 15 weeks and 16 to 24 weeks. Termination of early pregnancy (within 49 days of menopause) The most common method of termination of pregnancy within 8 weeks is aspiration. There are some drawbacks to this approach. Some studies have shown that the incidence of complications of abortion before 7 weeks of gestation is higher than that at 8-10 weeks of gestation. In addition, some women want to be able to use non-surgical methods of termination of pregnancy at home. So a lot of surgical and non-surgical methods to terminate the pregnancy, but some methods have not yet reached the clinical stage. Menstrual regulation is a surgical procedure developed in the early 1970s. Have been considered as a safe, effective and feasible method. 27-59% of uninfected women also underwent surgery because of urinary surgery before pregnancy test was positive; the failure rate (continued pregnancy or incomplete abortion) was as high as 11-12%; resulting in more complicated follow-up . In the United States, reminder of the operation