1　降低孕产妇及围生儿死亡率 (简称降两率 )的重要性孕产妇及围生儿死亡率的高低 ,可以反映一个国家的医疗卫生工作水平和社会经济文化水平。高死亡率表明生存问题尚未解决 ,因此不再是一个学科的局部问题。加之 ,孕产妇都是青中年妇女 ,其死亡对家庭和社会的影响都是巨大的。 1 The importance of reducing maternal and perinatal mortality (referred to as the drop rate) The level of maternal and perinatal mortality, can reflect a country’s medical and health work standards and socio-economic and cultural level. High mortality rates indicate that the issue of survival has not yet been resolved and is therefore no longer a localized problem for a subject. In addition, pregnant women are young middle-aged women, the impact of their death on the family and society are enormous.