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| The survey of the correlation between adverse pregnancy outcomes of women and their menstrual history and birth history in Baoshan city of Yunnan Province |
| 1.Kunming Medical University, Yunnan Province, 650500; 2.Yunnan Population and Family Planning Research Institute; 3. Baoshan municipal health commission, Yunnan Province |
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Abstract To explore the correlation between the adverse pregnancy outcomes of women and their menstrual history and birth history, and to provide guidance for reducing adverse pregnancy outcomes. Methods: A retrospective cohort study method was conducted, and the women who had received the technical service registration of the national free pre-pregnancy eugenic health checkup project in Baoshan City of Yunnan Province were select in this study from 2010 to 2017. The pregnant women were included into followed up cohort and their baseline information was collected from the time of these women registered. And they were followed up until to delivery, and their delivery outcomes were observed. The related factors were performed based on the adverse pregnancy outcomes by multivariate COX regression analysis. Results: A total of 4285 pregnant women were surveyed in this study, and the incidence of adverse pregnancy outcomes was 15.0%. Multivariate COX regression analysis showed that the female with ethnic minority (HR=1.813, 95%CI: 1.008,3.261), the female age≥34 years old（HR=1.856, 95%CI: 1.043,3.301）, and the number of abortion（HR=1.585,95%CI:1.118,2.247）were the risk factors of adverse pregnancy outcomes (P<0.05). Conclusion: The education for women prepregnancy and during pregnancy should be paid attention to, and the health care system for women and children should be strengthened. In order to effectively reduce the incidence of adverse pregnancy outcomes, the women should be encouraged to have children at the right age and be encouraged to understand the relevant scientific knowledge on reproductive history for reducing induced abortion number.
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