721例延期妊娠临床资料分析

Clinical Data of 721 Cases of Prolonged Pregnancy Analysis

目的:通过对延期妊娠结局的临床分析,了解延期妊娠对胎儿及新生儿的影响及临床处理措施。方法:采用回顾性研究,对我院2005年5月至2007年12月间足月及延期妊娠无合并症的2 896例初产妇的临床资料进行分析,其中721例为延期妊娠(40^(+1)～41^(+6)周)。结果:延期妊娠羊水过少(22.88%)、羊水污染(45.21%)、发生率较足月妊娠(羊水过少:3.82%,羊水污染:6.53%)高,延期妊娠组剖宫产率(44.80%)、胎儿窘迫发生率(41.61%)、新生儿窒息发生率(6.94%),明显高于足月产组(剖宫产率:31.00%,胎儿窘迫发生率:29.00%,新生儿窒息发生率:1.20%)(P<0.01),妊娠40^(+5)～41^(+6)周组明显高于孕40^(+1)～40^(+4)周组。结论:随着足月妊娠的延长,胎儿有宫内缺氧的危险,胎儿高危程度增加,应适时终止妊娠。

Objective：To explore the influence of fetus and neonatal and clinical handle measure of prolonged gestation by clinical analysis of prolonged gestation. Methods： clinical data of 2896 primiparas of term pregnancy and prolonged gestation who have no complication from May 2005 to December 2007 was analyzed retrospectively ,721 among them was prolonged gestation （ 40 ^＋1 - 41 ^＋6 ）. Results： Higher incidence rate of oligoamnios （ 22.88% ）, amniotic fluid pollution（45.21% ） in prolonged gestation than term pregnancy（ oligoamnios： 3.82% , amniotic fluid pollution： 6.53% ） （ P 〈 0.01 ）. Higher incidence rate of cesarean section （44. 80% ） , fetal distress （41. 61% ） , neonatal asphyxia（6.94% ） in prolonged gestation group （40^＋1 -41 ^＋6 W）than term pregnancy group（cesarean section： 31.00%, fetal distress ： 29.00%, neonatal asphyxia ： 1.20% ） （ P 〈 0.01 ） , and （ 40 ^＋ 5 - 41^ ＋ 6 W） group was higher than （40 ^＋1- 40^ ＋4 W）group. Conclusion： Fetal will have danger of intrauterine anoxic with prolong of term pregnancy, high-risk of fetal increase, and it shall termination off pregnancy timing.