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目的 分析阴道分娩产后出血原因?发生风险，评价预见性护理干预的预防效果，以提升产妇的安全性?方法 选择2019年7月至2020年6月于医院产科经阴道分娩的200例产妇，采用随机数表法进行分组，对照组?预见组各100例?对照组产妇采取产科常规护理，预见组产妇配合预见性护理干预?比较经阴道分娩产妇配合不同护理模式的预后效果，包括产后2?24h出血量，产后出血率，护理满意度以及情绪状况?护理满意度以自制问卷进行调查;负性情绪以焦虑自评量表(SAS)?抑郁自评量表(SDS)评估?结果 预见组产妇的出血量均明显少于“,”Objective To analyze the causes and risks of postpartum hemorrhage during vaginal delivery and evaluate the preventive effect of predictive nursing intervention，so as to improve the safety of puerpera.Methods A total of 200 cases of puerpera who delivered vaginally from July 2019 to June 2020 in the department of obstetrics of our hospital were selected and divided into groups by random number table method after the approval of the ethics committee，control group and prediction group with 100 cases.Routine obstetric care was adopted in the control group and predictive nursing intervention was performed in the predictive group.To compare the prognostic effects of different nursing modes for women who delivered vaginally，including postpartum bleeding at 2 hours and 24 hours，postpartum bleeding rate，nursing satisfaction and emotional status.Nursing satisfaction was investigated by self-made questionnaire.Negative emotions were assessed by self-rating anxiety scale (SAS) and self-rating depression scale (SDS).Results The amount of maternal bleeding in prediction group was significantly lower than that in control group，P <0.05.The maternal bleeding rate in prediction group was significantly lower than that in control group，P <0.05.The proportion of maternal nursing satisfaction in foreseeing group was significantly higher than that in control group，P <0.05.The SAS score and SDS score of the prediction group were significantly lower than those in the control group，P <0.05.Conclusion On the basis of routine obstetric care，assisted predictive nursing intervention can help to reduce postpartum bleeding and the risk of postpartum hemorrhage of puerpera delivered by vaginal delivery.Nursing services for puerpera have high satisfaction，reduce the psychological burden of puerpera，and improve the safety of puerpera.