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目的探讨在晚期妊娠阶段单纯羊水过少对母儿的影响,以了解能否对晚期妊娠单纯羊水过少产妇适当增加阴道试产机会。方法选取羊水指数≤8 cm、孕37~42周、无其他妊娠合并症和并发症的产妇163例为观察组,按和观察组可比原则抽取同期正常产妇157例为对照组;观察组又按羊水指数≤5 cm为A组87例,>5 cm为B组76例。观察指标主要为胎心监护、S/D比值、羊水污染、新生儿窒息和新生儿死亡、新生儿出生体重及分娩方式,分别对观察组与对照组及观察A、B两组进行比较分析。结果观察组与对照组在S/D比值、羊水污染、出生低体重儿、分娩方式比较差异有统计学意义(P<0.05),两组在新生儿窒息、NST评分以及平产时限比较差异无统计学意义(P>0.05)。观察A组和B组比较羊水Ⅲ度污染、新生儿出生体重<2 500 g以及分娩方式差异有统计学意义(P<0.05),而在S/D比值异常、NST异常、羊水污染和新生儿窒息比较差异无统计学意义(P>0.05)。结论羊水过少在一定程度上影响围产儿的健康,尤其羊水指数≤5 cm的产妇低出生体重儿的发生率明显增高,剖宫产率大幅上升。
Objective To investigate the influence of simple oligohydramnios in late pregnancy stage on maternal and childbirth in order to find out whether it is possible to increase the chances of vaginal trial on the basis of simple oligohydramnios in late pregnancy. Methods A total of 157 pregnant women with no pregnancy complications and complications were selected as observation group and 157 normal pregnant women were selected as control group according to comparable principle of observation group. Amniotic fluid index ≤ 5 cm in group A 87 cases,> 5 cm in group B 76 cases. Fetal heart rate monitoring, S / D ratio, amniotic fluid contamination, neonatal asphyxia and neonatal death, birth weight and mode of delivery were observed. The observation group and the control group and the observation of A and B groups were compared. Results There were significant differences in S / D ratio, amniotic fluid contamination, low birth weight infants and mode of delivery between the observation group and the control group (P <0.05). There was no significant difference between the two groups in neonatal asphyxia, NST score, Statistical significance (P> 0.05). In group A and group B, amniotic fluid Ⅲ degree of pollution was observed. The birth weight of neonates was less than 2 500 g and the mode of delivery was statistically significant (P <0.05). However, in S / D ratio abnormality, amniotic fluid contamination and neonatal No significant difference in asphyxia (P> 0.05). Conclusions Excess amniotic fluid may affect perinatal health to a certain degree. In particular, the incidence of low birth weight infants with amniotic fluid index ≤5 cm is significantly higher and the rate of cesarean section is increased significantly.