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目的分析足月妊娠妇女超声检查提示羊水偏少时,通过引产进行阴道试产对妊娠结局的影响。方法应用羊水指数法估测羊水量,选取无其它高危因素、未自然临产的初产妇,以足月羊水偏少者为观察组,孕41~41+6周羊水指数正常者为对照组,两组根据宫颈评分情况行地诺前列酮或催产素引产,比较分娩情况及围生儿情况。结果两组胎儿窘迫率、新生儿窒息率、新生儿死亡率及阴道手术助产率无显著性差异(P>0.05);观察组引产成功率低于对照组,差异有统计学意义(P<0.05);观察组引产时间较对照组长,差异有统计学意义(P<0.05),但两组总产程差异无统计学意义(P>0.05)。结论超声诊断羊水偏少的足月妊娠妇女,如尚未临产,且无其他高危因素,选择适宜的方法促宫颈成熟,尽早引产,在严密监护下阴道试产是可行的。
Objective To analyze the effect of vaginal trial production on induction of pregnancy when full-term pregnant women show ultra-low amniotic fluid with ultrasound examination. Methods The amniotic fluid index method was used to estimate the amniotic fluid volume. No other risk factors were selected. The primiparous women who did not spontaneously give birth were selected as the observation group. The normal amniotic fluid index of 41 ~ 41 + 6 weeks was taken as the control group, According to the cervical score row of norprost and oxytocin abortion, delivery situation and perinatal situation. Results There was no significant difference in fetal distress rate, neonatal asphyxia, neonatal mortality and vaginal surgery between the two groups (P> 0.05). The success rate of induction of labor in the observation group was lower than that in the control group (P < 0.05). The induction period of labor in the observation group was longer than that of the control group (P <0.05), but there was no significant difference between the two groups in the length of labor (P> 0.05). Conclusions Ultrasound diagnosis of women with term amniotic fluid less than full-term pregnancy, if not yet on labor, and no other risk factors, choose the appropriate method to promote cervical ripening, induction of labor as soon as possible, under the close supervision of the vaginal trial is feasible.