资料和方法 1 临床资料 孕周36～42周,年龄21～23 岁,监护指征有妊高征、过期妊娠、羊水早破、妊娠 并发贫血、胎儿宫内窘迫、B超提示脐绕颈等,全 部住院分娩,两组无明显差异。 2 方法 产程中行外监护,本组采用美国 产Corometrics112型胎儿监护仪,由专人操作及 阅读记录。 结果 1 异常电子监护(CTG)图 变异减速 (VD)、迟发减速(LD)、延长减速(PD)和胎心率 异常。两种减速或并发基线异常为联合异常,基线 Materials and Methods 1 Clinical data Week 36 to 42 weeks of gestation, aged 21 to 23 years old, pregnancy-induced indications PIH, expired pregnancy, premature amniotic fluid, anemia complicated by pregnancy, fetal distress, B- , All hospitalized delivery, no significant difference between the two groups. 2 methods of labor outside the line of custody, the group used the United States Corometrics112 type fetal monitor, by the operation and read the record. Results 1 Abnormal Electron Monitoring (CTG) pattern Deformation Depression (VD), Delayed Deceleration (LD), Prolonged Deceleration (PD), and Abnormal Heart Rate. Both decelerations or concurrent baseline abnormalities were joint abnormalities, baseline