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  Background & Aim: Body image flexibility is defined as the capacity to experience the ongoing perceptions, sensations, feelings, thoughts, and beliefs associated with one's body fully and intentionally while pursuing chosen values. This study was aimed to translate Body Image flexibility Questionnaire (BI-AAQ ) into Persian language and assess the validity and reliability of the translated version as an instrument to measure body image resilience .

  Methods & Materials: In this cross-sectional study, 354 students (130 males and 224 females) studying in an academic year (2012-2013) at Tehran University of Medical Sciences were selected through convenience sampling method . Students filled out demographic questionnaires, "body image flexibility questionnaires", "acceptance and action questionnaire edition 2", and "depression, anxiety and stress scale". For data analysis, IBM SPSS 21 and IBM SPSS Amos 21 software were used . 

  Results: The test-retest coefficient was 0.72. The correlation of the scale with the weight consent, psychological flexibility, stress, depression and anxiety was -0.54, 0.33, 0.33, 0.45, and 0.37, respectively which represented the concurrent validity of the scale. Confirmatory factor analysis results also showed that single-factor model of body image flexibility questionnaire has good fitting the Iran' community. Internal consistency reliability was estimated with Cronbach ’s alpha (α=0.87) .

  Conclusion: Psychometric characteristics of the body image flexibility questionnaires showed that the questionnaire seems to be acceptable in Iranian society. It is a useful tool for research in the psychological and psychiatric clinics .

  

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Background & Aim: Optimal weight gain during pregnancy, as an important indicator of maternal and fetal health, is affected by many adjustable variables. The present study was conducted to evaluate the gestational age-specific weight gain based on the indices of the American Institute of Medicine and to determine its related factors.
Methods & Materials: In this descriptive study, 250 pregnant women referred to the health centers of Torbat Heydarieh were assessed in 2018. The gestational age-specific weight gain was calculated for each woman, and based on the amount of deviation from the IOM indices, the subjects were divided into three groups including weight gain less than optimal, optimal and over than optimal. Data collection tools were demographic questionnaire and Multidimensional Body Relationship Questionnaire. Data were analyzed by chi-square, ANOVA, Kruskal-Wallis tests and ordinal regression using the SPSS software version 16.
Results: In this study, 22% of the subjects gained weight less than optimal, 46.4% gained weight normally and 31.6% had excessive weight gain. Weight gain in most women with normal and low body mass index was in a normal range (55.4%) and in most overweight and obese women was higher than an optimal range (43.2% and 35.7%, respectively). Weight gain was related to age, education, parity, abortion history, feelings of women and their partners toward pregnancy and wanting the pregnancy from the viewpoint of the partner (P<0.05). After entering the significant variables into the ordinal regression model, only nulliparity was able to predict pregnancy weight gain status (P=0.017).
Conclusion: Optimal weight gain in most pregnant women of this study may reflect the proper nutrition and effectiveness of prenatal care in this city. Identifying factors related to weight gain out-of-range increases the effectiveness of interventions on weight gain.