探索生活和工作环境中胚胎停育的危险因素，特别是职业紧张与胚胎停育的关系。

To investigate the potential factors which related to the induction of embryo damage in living and working environment, especially the relationship between occupational stress and embryo damage.

youdao

方法 随机选 择早孕胚胎停育患者30 例作为实验组，正常早孕人工流产者30 例为对照组。

Methods Thirty women with early spontaneous abortion served as an experimental group and 30 women who had artificial abortion for normal early pregnancy served as a control group.

youdao

方法 随机选 择早孕胚胎停育患者30 例作为实验组，正常早孕人工流产者30 例为对照组。

Methods Thirty women with early spontaneous abortion served as an experimental group and 30 women who had artificial abortion for normal early pregnancy served as a control group.

youdao