For a given population, minimum no. of newborns to be examined for calculating percentage of LBW babies is
LBW is regardless of gestational age.
Depending on the population, the percentage of LBW be based on measurements of atleast 500 babies.
Goal for LBW in National Health Policy 1983: Reduce LBW to <10% by 2000.
100 babies
1000 babies
500 babies
10,000 babies