婴儿死亡率是妇婴保健水平的重要指标。新生儿死亡约占婴儿死亡的２／３。资料表明：除新生儿破伤风死亡率显著下降外，出生窒息，早产低体重等引起的新生儿死亡均无明显下降，急需从群体医学的高度去研究新生儿死亡的防范措施。因此，我们对１９９７年成都市新生儿死亡进... Infant mortality is an important indicator of maternal and child health. Neonatal deaths account for about two-thirds of infant deaths. Data show that: In addition to a significant reduction in neonatal tetanus mortality, asphyxia, premature birth, low birth weight and other neonatal deaths were not significantly decreased, the urgent need to study from the height of group medicine to prevent neonatal mortality measures. Therefore, we in 1997 in Chengdu newborn into ...