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对分娩进入活跃早期的初产妇随机抽样测定胎头下降程度８２例，分成四组进行对比分析。其中，头高阴道分娩组（Ａ组）４０例，头低阴道分娩组（Ｂ组）２２例，头高剖宫产组（Ｃ＿１组）１１例，头低剖宫产组（Ｃ＿２组）９例。结果表明，Ａ、Ｂ组间活跃期（Ｐ＜０．０１），第二产程（Ｐ＜０．０５），Ａ、Ｃ＿１组间胎儿体重（（Ｐ＜０．０１），Ｂ，Ｃ＿２组间胎儿体重（Ｐ＜０．０５）等，均存在统计学上的明显差异。作者认为应根据抬头下降的程度观察产程，并根据不同的临床特点进行转化治疗。
82 cases of fetal head drop were randomly sampled from primiparous women who entered labor early and were divided into four groups for comparative analysis. Among them, there were 40 cases of head-high vaginal delivery group (A group), 22 cases of head-low vaginal delivery group (B group), 11 cases of head high cesarean section group (C_1 group), 9 cases of head low cesarean section group (C_2 group) example. The results showed that there was no significant difference between the A and B groups in the active stage (P <0.01), the second stage of labor (P <0.05), the body weight in the A and C_1 groups (P <0.01) Fetal weight (P <0.05), there are statistically significant differences.The authors believe that the rise should be based on the degree of observation of labor, and according to different clinical characteristics of the conversion therapy.