Puberty is most important stage of life with physical and
psychological changes. Preparing adolescent girls for puberty
should be planned based on their educational needs. This study
was conducted to predict health behaviors of adolescent girls
during puberty based on behavioral intention model. In this crosssectional
study, 200 high school girl students of Gonabad city
were surveyed. Multistage cluster sampling was used to select the
participants. A questionnaire was designed based on BIM used
for data collection including demographic data, knowledge and
attitude and subjective norms. Data were analyzed using statistical
analysis ANOVA, Chi square, correlation coefficient, regression
analysis and t test in SPSS software. The mean score was
56.23±2.67 for knowledge and 63.25±5.77 for attitude. Pearson’s
correlation coefficient showed a significant relationship between
knowledge and attitude (r =0.477). The analysis of subjective
norms showed that most subjective norms were influenced by
.teachers (15.63%) at school and by mothers (67.18%) at home
,We should pay special attention to three factors of knowledge
attitudes, and subjective norms to help girls perform health
behaviors. Furthermore, health education about puberty should
.continue in high schools