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利用胎儿心电监视,在产前评价胎儿健康状况是现代处理高危妊娠时不可缺少的一种工具,常用的有两种方法,即非应激试验与宫缩应激试验,前者即在无宫缩时胎儿心率加速、伴有胎动,后者则在自发的或催产素引起宫缩时胎儿的一种应激现象,观察胎心率有无减慢,一些作者证明宫内胎心减慢是与胎儿缺氧、酸中毒、低Apgar评分有一定关系。用宫缩应激试验评价产前胎儿健康现已广泛应用,有人认为较可靠,甚至认为比测定雌三醇预报
The use of fetal ECG monitoring of fetal health status in the prenatal diagnosis of high-risk pregnancy is an indispensable tool, there are two commonly used methods, namely, non-stress test and contractions stress test, the former is in the palace Aborted fetal heart rate accelerated, accompanied by fetal movement, which in the spontaneous or oxytocin causes contractions when the fetus a stress phenomenon, to observe whether the fetal heart rate slowed down, some authors show that intrauterine fetal heart rate is slow And fetal hypoxia, acidosis, low Apgar score has a certain relationship. Evaluation of prenatal fetal health with uterine stress test has now been widely used, some people think more reliable, or even than the determination of estriol forecast