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对 198 8～ 1998年间的目测加收集测量法诊断的产后出血 193例进行回顾性研究。产后出血发生率为 3.7% ,产后出血原因位次为 :宫缩乏力、胎盘因素、软产道损伤、其它 (妊高征、妊娠肝内胆汁淤积征等 )等 ,产后出血易发于 2 0～ 2 4岁组 ,胎产次增加致产后出血率增加 ;胎儿随体重增加 ,特别是≥ 4.0kg以上时产后出血发生率增高 ,剖宫产产后出血高于阴道分娩 ;阴道手术助产与顺产组产后出血发生率差异明显 ,前者高于后者。产后出血病例中 79.2 7%出血量为 40 0～ 5 99ml,一般≤ 80 0ml。产后出血率的降低重在预防
A retrospective study was carried out on 193 cases of postpartum hemorrhage diagnosed by collection plus measurement during 198 8 ~ 1998. The incidence of postpartum hemorrhage was 3.7%. The causes of postpartum hemorrhage were as follows: uterine inertia, placental factors, soft birth canal injury, other (PIH, intrahepatic cholestasis of pregnancy, etc.), postpartum hemorrhage prone to 20 ~ The incidence of postpartum hemorrhage was higher in the 24-year-old group than that in the 4-year-old group. The incidence of hemorrhage increased with the increase of birth mass. The fetus increased with body weight, especially the incidence of postpartum hemorrhage was higher than 4.0kg. The incidence of postpartum hemorrhage was significantly different, the former is higher than the latter. Postpartum hemorrhage cases 79.2 7% bleeding 40 0 ~ 5 99ml, usually ≤ 80 0ml. The reduction in postpartum hemorrhage is more important than prevention