background:  approximately 80 to 90 percent of women will experience a urinary tract infection at least once in their lifetime. 2 to 11 of them, in first pregnancy trimester are affected, which, if untreated, leads to the maternal and fetal risks. screening for urinary infection, is considered part of prenatal care. the purpose of this study was to determine the frequency of bacteriuria in preg...

abstract aim and background: multiple sclerosis is a chronic neurological disorder which is more prevalent in women than men. therefore, the aim of present study was to evaluate the relationship physical functioning impairment (as criterion variable) with fatigue, psychological symptoms and body mass index (as predictive variables) in the women suffering from this disease. methods and materials...

Background: The traditional methods of studying the gene-environment interactions need a control group. However, the selection of an appropriate control group has been associated with problems. Therefore, new methods, such as case-only design, have been created to study such interactions. The objective of this study was to compare the case-only and case-control designs using data from patients ...

this study investigate information and communication technology influence on opposite sex relationship. current survey is based on questionnaires data. selected census population is 395 of shiraz city youths (age 18-30) chose using lin table and cluster method with estimated error of 5%. the results of this investigation shows that relationship with opposite sex depends on several factors such ...