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造成未婚先孕和人工流产的原因相当复杂，不仅与个人经济、文化水平和性观念有关，而且受到诸多错综的社会因素的影响，其中家庭环境因素是个不容忽视的重要因素。本文根据调查结果就此加以初步分析。１对象与方法１．１研究对象本研究于１９９９年３月期间收集在济宁市第...
The causes of unmarried pregnancies and abortions are quite complicated. They are not only related to the individual’s economic, cultural and sexual attitudes, but also influenced by many intricate social factors. Family environmental factors are an important factor that can not be ignored. This article based on the findings of this preliminary analysis. 1 Subjects and Methods 1.1 The object of study This study was collected in March 1999 in Jining City, the first ...