围产儿死亡
perinatal mortality
prenatal mortality
perinatal death
perinatal infants dead rate
新生期后婴儿死亡率
post-neonatal mortality rate
婴幼儿死亡率
Infant and child mortality
围产儿生存率
rate of perinatal surrival
围生儿死亡
perinatal death
perinatal mortality
Perinalal mortality
Death of perinatal period