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目的评价超声羊水指数（ＡＦＩ）在监测胎儿宫内安危的价值。方法用ＡＦＩ法对３８６例孕妇进行测量，与分娩结果对照。同时与羊水平段（ＡＦＤ）法比较，并且注意羊水内回声特点。结果ＡＦＩ值０～５０ｍｍ组，无应激试验无反应型、羊水粪染率、低Ａｐｇａｒ评分发生率及胎儿窘迫率显著升高。在ＡＦＩ值＞１８０ｍｍ组，胎儿畸形率明显升高。羊水中粗大光点存在即为羊水污染征象。结论ＡＦＩ可作为反映羊水量的半定量指标，对羊水量、羊水性状及胎儿生长发育情况的综合判断可以更早期地发现胎儿情况，是一种简便、快速、无创伤性的产前监护方法
Objective To evaluate the value of ultrasound amniotic fluid index (AFI) in monitoring the safety of fetal intrauterine organs. Methods 386 pregnant women were measured by AFI method and compared with the results of delivery. At the same time compared with the sheep horizontal section (AFD) method, and pay attention to the characteristics of amniotic fluid echo. Results In the 0 ~ 50mm group with AFI value, there was no reaction type in stress test, meconium - stained amniotic fluid rate, incidence of low Apgar score and fetal distress rate were significantly increased. In the AFI value> 180mm group, fetal malformations increased significantly. Amniotic fluid spot is the presence of coarse amniotic fluid pollution signs. Conclusion AFI can be used as a semi-quantitative index to reflect the amniotic fluid volume, and the comprehensive judgment of amniotic fluid volume, amniotic fluid trait and fetal growth and development can find the fetus situation earlier. It is a simple, rapid and non-invasive prenatal care method