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妊娠12周末以前称为早孕。近20余年来,世界各国采用最广泛的终止早孕方法是负压吸宫术,但具有一定的危险性与并发症,给患者身心造成极
12 weeks before pregnancy known as early pregnancy. The past 20 years, the most widely used method of termination of early pregnancy in all countries in the world is vacuum aspiration, but with certain risks and complications,