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产科出血是产妇死亡的主要原因。本文对37例初产妇和25例经产妇在正常分娩中的失血量进行了测量。所有病人无产科或其他医学上的并发症,于38～41孕周之间单胎自然分娩,既不用产钳也不用胎头吸引术。病人均采用仰卧位行左侧旁正中会阴侧切分娩。在第二产程末肌注0.5mg麦角新碱。第三产程均正常,作统一处理。分娩中的失血量由助产士目测记录在案,并在分娩后经实验室用碱性血红素方法测定。结果,实验测定出的产时出血量显著高于目测失血量。实验测定的失血量与第三产程持续时间呈微弱正相关(P<0.05)。分娩至侧切修复的间隔
Obstetric hemorrhage is the main cause of maternal death. In this paper, 37 cases of primipara and 25 cases of maternal blood loss in normal delivery were measured. All patients had obstetric or other medical complications and had a single natural childbirth between 38 and 41 weeks of gestation, neither forceps nor fetal head aspiration. Patients were supine with the left side of the median episiotomy lateral delivery. In the second stage of intramuscular injection of 0.5mg ergonovine. The third stage of labor are normal, for a unified approach. The amount of blood loss during childbirth was recorded visually by a midwife and was determined by laboratory method of alkaline heme after delivery. Results, the experimental determination of the amount of bleeding during labor was significantly higher than the visual blood loss. The blood loss measured experimentally showed a weak positive correlation with the duration of the third stage of labor (P <0.05). Delivery to lateral repair interval