Background: Low birth weight (LBW) is defined by WHO as birth weight of new bom infants less than 2500 grams. The incident of LBW in Indonesian Hospitals is around 20%. The infant mortality rate caused by LBW is 6,5 times higher than babies with normal birth weight. Among all the perinatal mortality, around 2-27% is caused by LBW. The risk factors associated with LBW are maternal age, gestation…