我们曾经分析过太原地区的产后出血患者,若按出血量400毫升计算,则产后出血发生率为7.3％,若按出血量500毫升计算,则为5.1％,足见太原地区的产后出血发生率是相当高的,对母亲的健康及生命威胁很大,当时即已指出如何设法降低产后出血,是当前全省产科工作者的重大任务。在胎盘血液和血清里,含有大量的垂体后叶激素,它能引起子宫阵缩,保持其固有的生理学特征,而且,能降低或减少肌肉弛缓,使 We have analyzed Taiyuan postpartum hemorrhage patients, if the amount of bleeding calculated according to 400 ml, the incidence of postpartum hemorrhage was 7.3%, if calculated according to 500 ml of blood was 5.1%, which shows that the incidence of postpartum hemorrhage in Taiyuan was It is a very high threat to the mother’s health and life. At that time, he pointed out how to reduce postpartum hemorrhage is a major task for obstetric workers in the province at present. In placental blood and serum, contains a lot of pituitary hormones, it can cause uterine contraction, maintaining its inherent physiological characteristics, and can reduce or reduce muscle relaxation, so that