background menarche is considered as a milestone in the women’s reproductive life. most existing studies on factors influencing menarcheal age had cross-sectional designs and their finding were controversial. objectives we aimed to determine some factors affecting the age at menarche in a cohort study with an average of ten-year follow-up; the study was conducted within the framework of tehran ...

abstract background: pregnancy is associated with many physiological changes, which in some cases may cause serious risks such as preeclampsia, and fetal and maternal health threats. recent research has focused on the relationship between metabolic syndrome and preeclampsia. by identifying appropriate indicators for early diagnosis, maternal–fetal complications can be prevented. the present stu...

purpose: to determine the correlation between body mass index (bmi) and exudative age-related macular degeneration (armd). methods: this case-control study was conducted on 60 patients with exudative armd and 60 controls, both aged over 50. age, sex, cigarette smoking and blood pressure were evaluated beside bmi. data analysis was performed by spss software, version 9.0 using pearson chi square...

background: obesity is a very common disorder resulting from an imbalance between food intake and energy expenditure, and it has a substantial impact on the development of chronic diseases.  the aim of this study was to examine the association of insig2 (rs7566605) gene polymorphism with obesity and obesity associated phenotypes in north indian subjects. methods: the variants were investigated ...

background: this study aimed to investigate the relationship between health related quality of life (hrqol), motor ability and weight status in children. methods: two hundred forty children ages 9-11 yr who were selected via multi stage cluster sampling design from primary schools in the shahre qods at tehran, iran in 2007. hrqol was assessed by the pediatric quality of life inventory (pedsql)....

aim : to evaluate the association between body mass index (bmi) and certain digestive symptoms and signs. background : obesity is of substantial health significance all over the world, and it is categorized by the world health organization among top ten global health problems. there is much evidence that indicates a higher prevalence of digestive symptoms in obese people. patients and methods :...

objective : this study investigated the effect of body mass index (bmi) on the success rate of ivf for couples with different causes of infertility. materials and methods : in a cross sectional descriptive- analytic study conducted simultaneously in mehr ivf center and vali-e-asr reproductive health research center, the success rate of ivf was examined in 396 consecutive women undergoing ivf cy...

conclusions the findings indicated that older women with low bmi were at higher risk of low bone mass. body weight, bmi and aging may be important predictors of bmd, but they are not the only factors affecting bone loss. therefore, it is recommended to assess other risk factors with a larger number of patients. results the mean bmd of women older than 50 years compared to those younger than 50 ...

Background: Acne vulgaris is a common skin disorder that affects 79% to 95% of the young population. Some studies have focused on the role of overweight and obesity in initiation and exacerbation of acne. This study investigated the relationship between BMI and the severity of acne. Method: This cross-sectional study was conducted on 107 acne patients. One form was completed for each patient wi...

background: despite the importance of hamstring tendon autograft, one major disadvantage in applying this technique in the surgical reconstruction of anterior cruciate ligament is individual variability in the tendon diameter. hence, the purpose of the present study was to use anthropometric parameters such as gender, height and body mass index to predict 4-strand (quadruple) hamstring tendons ...