Increasing prevalence of obesity occurs worldwide and can affect all ages levels. Risk factors of increasing metabolic syndrome were associated with changes in lifestyle, obesity and low birth weight (LBW). This study was aimed to analyze the genotype IRS-1, genotype PTPN1 and LBW in metabolic syndrome risk factors. In 2009, this restrospective cohort study was comprised of 97 LBW and 100 norma…