Background. In Indonesia, the baby health remains a big problem. About 20 millions babies born with LBW (Low Birth Weight) per year. Increasing the quality of human life is one of the policy mandate by the GBHN in 1993. To reach maximum productivity, efforts to improve the quality of life have to start as early as possible since fetus. Purpose. Increasing the quality of new born babies life. Method. This study conducted in descriptive analysis by using cross sectional approach and consecutive sampling method. Research was conducted in July 2015 to October 2015. The data has been collected at Atma Jaya Hospital Medical Record with research sample data, for instance, the sample of mother’s weight, height, and also baby’s weight. Result. The total of whole sample is 71 respodents. Based on IMT before pregnancy, the data obtained 3 (4,23%) have thin IMT, two others who have normal and fat IMT are 37 (52,11%) and 31 (26,76%) respectively. In addition, based on weight of born baby, the data obtained 62 (87,32%) have normal weight of born and 9 (12,68%) have low weight of born. The paired T test result between mother’s IMT before pregnancy and weight of born baby obtained p = 0,000 which means there are relation between mother’s IMT before pregnancy and birth weight. Conclusion. There is a significant correlation between prepregnancy BMI with birth weight. |