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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 understand the effect of delayed pregnancy on fetus and newborn and its clinical management through clinical analysis of delayed pregnancy outcome. Methods: A retrospective study was conducted to analyze the clinical data of 2 896 primipara women with no complications of term and extended pregnancy in our hospital from May 2005 to December 2007, of which 721 cases were delayed pregnancy (40 ~ +1) to 41 to (+6) weeks). (22.88%), amniotic fluid contamination (45.21%), the incidence was higher than that of term pregnancy (oligohydramnios: 3.82%, amniotic fluid pollution: 6.53%), and the rate of cesarean section in delayed pregnancy %), The incidence of fetal distress (41.61%) and neonatal asphyxia (6.94%) were significantly higher than those of the full-term group (cesarean section rate: 31.00%, fetal distress rate: 29.00%, neonatal asphyxia Rate was 1.20%) (P <0.01). The gestational weeks 40 ~ (+5) ~ 41 ~ (+6) weeks were significantly higher than those of pregnant 40 ~ (+1) ~ 40 ~ (+4) weeks. Conclusion: With the prolongation of full-term pregnancy, the fetus has the risk of intrauterine hypoxia and the high risk of fetus increases. Pregnancy should be terminated promptly.