人工流产次数过多容易形成习惯性流产。
产后出血随人工流产次数的增加和产程延长而增加；手术产、妊娠高血压综合征亦可使产后出血率增高。
The more often the artificial abortions have happened and the longer the labor course lasts the more the postpartum hemorrhage will be.
多因素线性回归分析发现，妇女妊娠次数、生育次数、丈夫的年龄、妇女结婚时的年龄、性伴数等是影响妇女人工流产的主要危险因素。
The risk factors which have been significant for abortion were The Times of pregnancy and bearing birth, husband 'age, women's age at marriage, and number of partner, etc.
多因素线性回归分析发现，妇女妊娠次数、生育次数、丈夫的年龄、妇女结婚时的年龄、性伴数等是影响妇女人工流产的主要危险因素。
The risk factors which have been significant for abortion were The Times of pregnancy and bearing birth, husband 'age, women's age at marriage, and number of partner, etc.
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