Objective The results of induced labor in the second trimester of placenta previa pregnancy were analyzed through clinical comparison.Methods A total of 130 patients with placenta previa induced labor in the second trimester of pregnancy admitted to the Third Affiliated Hospital of Zhengzhou University from January 2018 to December 2020 were selected as the study objects.They were divided into mifepristone + misoprostol group(45 cases),mifepristone + ethacridine lactate amniotic injection group(58 cases)and hysterotomy group(27 cases).According to the types of placenta previa,they were divided into complete placenta previa group(19 cases)and incomplete placenta previa group(111 cases).The induced labor outcome of each group was compared and analyzed.Results ① There were no significant differences in age,pregnancy times and cesarean section times among the three groups(P>0.05).The gestational age and placenta previa type of patients in hysterectomy group were higher than those in the other two groups,and the number of births was higher than those in the other two groups,with statistical significance(P<0.05).The delivery blood loss,postpartum bleeding rate,blood transfusion rate and placenta implantation rate in the hysterectomy group were higher than those in the other two groups,and the differences were statistically significant(P<0.05).There was no significant difference in the recovery time of serum HCG among the three groups(P>0.05).② There was no significant difference in the utilization rate,hysterectomy rate and placenta implantation rate between complete placenta previa group and non-complete placenta previa group(P>0.05).The utilization rate of misol in complete placenta previa group was lower than that in non-complete placenta previa group,and the difference was statistically significant(P<0.05).The blood loss during delivery of complete placenta previa was higher than that of incomplete placenta previa,and the difference was statistically significant(P<0.05).(3)In patients with placenta implantation,the amount of blood loss during delivery in the hysterectomy group was higher than that in the vaginal delivery group,and the difference was statistically significant(P<0.05).There were no significant differences in hospitalization days,postpartum hemorrhage rate,placenta residual rate and postpartum blood transfusion rate between the two groups(P>0.05).Conclusion The three induced labor methods have their own advantages and disadvantages,and the more appropriate induction method can improve the prognosis of patients according to the actual situation of patients.
Second trimesterPlacental previaInduction of labour
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