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在妊娠和分娩期子宫颈的活动及作用尚无深入的研究。应用肌电描记法(EMG)检测引产开始时子宫颈和子宫体平滑肌活动的相似性和差异性。选择14例足月妊娠初产妇,至产房引产,CTG显示无宫缩或宫缩稀少,根据Bishop评分(平均6.46,SD1.02)和羊膜穿刺术后估计宫颈成熟度。最初的宫颈扩张平均为25mm(SD 0.63)。宫腔内插入末端开放的导管(Hewlett-Packard)测量和记录子宫内的压力,置ECG电极于胎儿头部,以监护胎儿心率(CTG监护)。
Cervical pregnancy and childbirth in the activity and role of no further study. The electromyogram (EMG) was used to detect the similarities and differences in the activities of smooth muscle between the cervix and the uterus at the beginning of induction. Select 14 cases of full-term pregnant primiparas to the abortion, CTG showed no contractions or contractions sparse, according to Bishop score (average 6.46, SD1.02) and amniocentesis estimated cervical maturity. The initial cervical dilatation averaged 25 mm (SD 0.63). Intrauterine insertion of an open-ended catheter (Hewlett-Packard) Measurement and recording of intrauterine pressure, ECG electrode in the fetal head to monitor the fetal heart rate (CTG monitoring).