本文就100例头位初产妇正常产程曲线图进行了分析。鉴于我们在产程潜伏期超过4小时肌注杜冷丁使产妇休息,并在活跃期宫口开大5cm 适时人工破膜。该100例产程图各时限均比国内外所报道的值小。并且杜绝了滞产,产后出血及产后感染。 In this paper, 100 cases of first-born primiparous normal labor curve was analyzed. In view of our incubation period of more than 4 hours intramuscular injection of pethidine so that the maternal rest, and in the active cervix open 5cm timely artificial rupture. The 100 cases of labor map each time limit than the value reported at home and abroad. And put an end to prolonged labor, postpartum hemorrhage and postpartum infection.