出生地点NOS
Twin unspecified as to place of birth
Singleton unspecified as to place of birth
Other multiple unspecified as to place of birth
出生时间和地点
DPOB date and place of birth
不同出生体重儿
infants with different birth weight
超低出生体重
extremely low birth-weight
超低出生体重儿
extremely low birth weight infant
extremely low birth weight infants
extremely low-birth-weight infant
extremeiy-low-birth-weighi inianis