产妇由临产进入产程的潜伏期和活跃期到宫口开全胎儿娩出,整个产程过程都是逐渐进行的,某一个环节发生问题,都会使产程进展不顺利,给母婴带来危险。现将1988年8～12月观察的105例足月初产妇从临产到产程的潜伏期,报道如下。本组105例均为头位分娩的足月初产妇,其中自觉阵痛到临产在8小时以内的29例;6～12小时的53例;12～24小时的18例;24小时以上的5例。胎方位与潜伏期的关系见附表(2例≥15小时者胎儿体重>4000克)。 Maternal labor into the labor process from the incubation period and the active period to the cervix to open the whole child was delivered, the entire process of labor are gradually carried out, a part of the problems, will make the progress of labor is not smooth, dangerous to mothers and children. Now in August 1988 to observe 105 cases of full-term primipara from labor to labor incubation period, reported as follows. The group of 105 cases were all headpartum primiparous labor, which consciously pain to labor within 8 hours of 29 cases; 6 to 12 hours in 53 cases; 12 to 24 hours in 18 cases; more than 24 hours in 5 cases. Relationship between fetal position and latency, see the attached table (2 patients ≥ 15 hours fetal weight> 4000 grams).