<prompt> For a given population, minimum no. of newborns to be examined for calculating percentage of LBW of babies100 babies500 babies1000 babies10,000 babies  <response>: Low bih weight LBW: Bih weight less than 2500grams 2.5 kg . It includes both pre-term 37 weeks POG and full-term 37 weeks POG babies. Prevelence of LBW: 15 World; 18 India; If cutoff for LBW is reduced to 2.0 kg, expected prevelence of LBW inn India will be 5.5 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. Ref: Park 22th edition Pgno: 495 