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首页> 外文期刊>The journal of maternal-fetal & neonatal medicine >The amniotic fluid index in late pregnancy.
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The amniotic fluid index in late pregnancy.

机译：妊娠晚期羊水指数。

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OBJECTIVE: Our purpose was to examine changes in the amniotic fluid index (AFI) in accurately dated term pregnancies both in relation to gestational age and in relation to the onset of spontaneous labor. STUDY DESIGN: This was a prospective observational study in 137 women with uneventful term pregnancies, in whom 220 AFI measurements were performed. More than one AFI value was available from 51 individuals. RESULTS: The AFI did not change significantly between 37 and 42 weeks' gestation, but a significant reduction was seen during the last 11 days before the spontaneous onset of labor (R = -0.37, n = 83, p < 0.001). The AFI (corrected for gestational age) within individuals remained stable over periods of up to 2 weeks. Meconium staining of the amniotic fluid was related to gestational age, but not to the AFI or fetal distress at birth. No significant correlation was found between fetal distress and the AFI, or between fetal distress and the reduction in AFI during the last two measurements before labor. CONCLUSIONS: The reduction of the AFI in pregnancies progressing beyond term is related to the labor process itself rather than to the exact gestational age.
机译：目的：我们的目的是检查在准确日期的足月妊娠中与胎龄和自发分娩有关的羊水指数（AFI）的变化。研究设计：这是一项针对前瞻性观察研究的137例足月妊娠顺利的妇女，其中进行了220次AFI测量。从51个人中可以获得一个以上的AFI值。结果：在妊娠37至42周之间，AFI没有明显变化，但是在自然分娩前的最后11天中，AFI显着降低（R = -0.37，n = 83，p <0.001）。个体内的AFI（校正胎龄）在长达2周的时间内保持稳定。羊水的胎粪染色与胎龄有关，但与出生时的AFI或胎儿窘迫无关。在分娩前的最后两次测量中，胎儿窘迫与AFI之间，胎儿窘迫与AFI降低之间没有发现显着相关性。结论：妊娠期AFI的减少与分娩过程本身有关，而不与确切的胎龄有关。

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