Objective To observe the effect of early onset severe preeclampsia termination of pregnancy time on maternal and neonatal outcome. Methods 176 cases of patients with early onset severe preeclampsia admitted and treated in our hos-pital from June 2012 to December 2014 were selected as the observation objects and divided into the group A (≤32 weeks, n=34), group B (33-35 weeks, n=64) and group C (≥35 weeks, n=78) according to the gestational weeks of termination of pregnancy, and the maternal and neonatal outcomes of the three groups were compared. Results The incidence rate of com-plications in the group C was higher than that in the group A and group B, but there was no statistical significance between groups, (χ2=1.053, P>0.05); the perinatal mortality rate in the group B and group C was obviously lower than that in the group A, and the difference between groups had statistical significance,(χ2=4.805, P<0.05). Conclusion Early onset severe preeclampsia termination of pregnancy time has a bigger effect on maternal and neonatal outcome, and the rational choice of delivery method and appropriate clinical treatment are of important significance to the improvement of the maternal and neonatal prognosis.%目的：探讨早发型重度子癫前期终止妊娠时机对母儿结局的影响。方法整群选取2012年6月—2014年12月该院收治的176例早发型重度子癫前期患者作为观察目标，根据终止妊娠孕周将其分为A组(≤32周，n=34）、B组(33~35周，n=64）、C组(≥35周，n=78），比较3组母儿结局。结果3组孕妇并发症发生率相比，C组高于A组、B组，但组间比较差异无统计学意义(χ2=1.053，P>0.05）；B组、C组围生儿死亡率显著低于A组，组间差异有统计学意义(χ2=4.805，P<0.05）。结论早发型重度子癫前期终止妊娠时机对母儿结局的影响较大，合理选择分娩方式及恰当的临床治疗对改善母婴预后具有重要意义。
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