prevalence of obesity in adolescents with history of pregnancy and associated factors in korea

background: the pregnancy was a risk factor for excessive weight gain for women. however, there is no information about the prevalence of obesity and its relationship with a history of pregnancy in girls. therefore, the purpose of this study was to investigate differences in the prevalence of obesity in adolescent females with a history of pregnancy and fac­tors associated with it, in korea. methods: in 2009, 69 of 34,247 female students revealed that they had experienced pregnancy in response to the 5 th ko­rea youth risk behavior web-based survey (kyrbws-v) project by the korea centers for disease control and pre­vention (kcdcp). the body mass index (bmi) and experienced pregnancy categories of the kyrbws-v were as­sessed, and, for data analysis, the independent t -test, chi-square test, and multivariate logistic regression were used. results: the risk of pregnancy was increased by approximately 47% per unit increase in age, and 331% per unit in­crease in depression, respectively. conversely, the risk decreased by 19% per unit increase in bmi and 33% per unit in­crease (ranged from 1: very rich to 5: very poor) in the family economic state. conclusion: obesity in adolescent females is minimally affected by a history of pregnancy, if at all, despite the fact that pregnancy was a risk factor for excessive weight gain in women. however, adolescent females with a history of preg­nancy have higher levels of depression than do normal peers in korea.