患者 34岁 ,Ｇ4Ｐ1,孕 4 0周 ,有规则下腹阵痛 1小时 ,于 1999年 2月 2日上午 11时到当地卫生院待产 ,第一产程进展尚可 ,当晚 9时宫口开全 ,宫缩良好。但胎头下降停滞 ,助产士用加腹压助产无效后 ,再给 5%ＧＳ50 0ｍｌ +缩宫素 10ｕ静滴。宫缩呈强直性 ,宫口开全 3小时仍未娩? Patients 34 years old, G4P1, pregnancy 40 weeks, a regular abdominal pain for 1 hour, at 2:00 on the February 2, 1999 to the local hospital for delivery, the progress of the first stage of labor is acceptable, the mouth opened at 9 o’clock that night Palace Shrink better. However, the decline in fetal head stagnation, midwife with abdominal pressure midwifery invalid, give 5% GS50 0ml + oxytocin 10u intravenous infusion. Contractions were tonic, cervix open 3 hours still not delivered?