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本文报道1500例经阴道分娩的产妇,各例于分娩前后测外周血红细胞压积与准确测量产后出血量。将其中自然分娩的808例作正常组,其产后出血量经统计学处理,产后出血500ml以下者在92.76百分位数,产后出血≥500ml为8.24％,产后出血达700ml者,分娩前、后红细胞压积降低与出血量为600ml以下者比较,差异有极显著性意义(P<0.01),认为500ml作为生理与病理的界限是合理的。
This article reports 1,500 cases of vaginal delivery of maternal, before and after delivery in each case of peripheral hematocrit and accurate measurement of postpartum hemorrhage. Among them, 808 cases of natural childbirth were treated as normal group. The amount of postpartum hemorrhage was statistically calculated. The percentage of postpartum hemorrhage less than 500ml was 92.76 percents, the rate of postpartum hemorrhage≥500ml was 8.24%, and the postpartum hemorrhage was 700ml. The difference between hematocrit and bleeding was 600ml or less, the difference was very significant (P <0.01), that 500ml as physiological and pathological boundaries is reasonable.