Abstract—Aim : To estimate the prevalence of low birth weight and to study the factors affecting low birth weight at the primary health centre, Kinaye of District Belgaum, North Karnataka. Settings and Design: Record ¨Cbased study. Materials and Methods : A retrospective study was conducted, where by data was obtained from the delivery records maintained at the Kinaye primary health centre (PHC) from November 2007 to November 2010. Statistical analysis used : Chi-square test. Results : Records of 1176 mothers and new borns were analysed. The prevalence of low birth weight was 8.3%. The prevalence of Low birth weight (LBW) was high in the extremes of age i.e teenage group and women >35 years. Primigravida and women of birth order 5 and above showed a higher prevalence of low birth weight. However, birth weight was not significantly associated with sex of baby and mother¡¯s literacy status. Conclusion : Age of mother and parity contribute significantly to low birth weight. Programs directed at girls and women much before pregnancy are needed. Women and girl child education has been shown to strongly correlate with risk of LBW and hence needs the desired attention.