产科出血是长期困扰产科工作者的一大难题,在产科死亡原因中,农村前3位死因是产科出血、妊娠高血压疾病、羊水栓塞,而城市为产科出血、羊水栓塞、妊娠高血压疾病[1],均说明产科出血是威胁孕产妇生命的第一原因。为了了解本地产后出血的主 Obstetric hemorrhage is a long-term obstruction of obstetric workers a major problem in the cause of obstetric death, the top three causes of death in rural areas is obstetric hemorrhage, pregnancy-induced hypertension, amniotic fluid embolism, and the city for obstetric hemorrhage, amniotic fluid embolism, pregnancy-induced hypertension [ 1], all indicate that obstetric hemorrhage is the first cause of threatening maternal life. In order to understand the main postpartum hemorrhage