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本文对500例高危妊娠妇女进行胎心率电子监护共562次,出现变化型减速(VD)65例,发生率13％。通过VD各种波形分析,可见V形波最多,共40例(61.5％),此类波形临床上以脐带受压为多见;U形波共12例(18.5％),以胎儿宫内窘迫较多;W形波9例(13.8％),以脐带受压较多,也可见于宫内窘迫;4例(6.2％)混合波(V+U 3例,V+W 1例),观察其分娩后胎儿发育情况,胎盘及脐带情况,羊水是否被胎粪污染及Apgar评分等与各种VD
In this paper, 500 cases of high-risk pregnancy women electronic fetal heart rate monitoring 562 times, there were 65 cases of degeneration (VD), the incidence rate of 13%. Through the analysis of various waveforms of VD, we can see the most V wave, 40 cases (61.5%). Such waveforms are more common in umbilical cord compression. U-wave is 12 cases (18.5% (9 cases), W-wave in 9 cases (13.8%), with more pressure on the umbilical cord, also found in intrauterine distress; 4 cases (6.2% Their fetal development after delivery, placenta and umbilical cord conditions, amniotic fluid contamination by meconium and Apgar score with various VD