Abstract：Objective To explore the etiological characteristics and risk factors of puerperal infection in primipara,and to provide reference for clinical diagnosis and treatment.Methods The clinical data of a total of 1123 primiparas who delivered in the Zhongyi Northeast International Hospital from July 1,2016 to December 31,2019 were collected.Among them,47 cases had puerperal infection,and the infection rate was 4.18%.The etiological characteristics were analyzed by clinical microbiology test,and the risk factors of puerperal infection were analyzed by univariate and multivariate Logistic analysis.Results A total of 51 strains were isolated from 47 puerperal women with puerperal infection,of which 54.90% were Gram-negative bacteria,27.45% were Escherichia coli,accounted for slightly higher proportion;45.10% of Gram-positive bacteria were mainly Staphylococcus aureus,accounted for 19.61%.The incidence of puerperal infection in primipara with premature rupture of membranes,postpartum hemorrhage,vaginitis and gestational diabetes/hypertension was significantly increased,the differences were statistically significant (P＜0.05).There was no significant difference in the infection rate of primipara with stage of labor,age,mode of production,anemia,and chronic diseases (P＞0.05).Premature rupture of membranes,vaginitis,postpartum hemorrhage and gestational diabetes/hypertension were risk factors of puerperal infection in primipara (P＜0.05).Conclusion The risk factors of puerperal infection in primipara can be summarized as premature rupture of membranes,vaginitis,postpartum hemorrhage and gestational diabetes/hypertension.Etiological analysis showed that Gram negative bacteria are the most common pathogens.
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