Understanding the relationship between nutritional knowledge, self-efficacy, and self-concept of high-school students suffering from overweight.

Background And Aim: Adolescents' overweight problems have been paid much attention due to their significant increase in recent decades in developed countries. Poor eating patterns subsequently affect their self-efficacy and self-concept. Therefore, paying attention to the nutritional knowledge of overweight students in this period is essential.

Diagnostic value of fetal movement counting by mother and the optimal recording duration.

Introduction: Fetal movement counting is a method used by mother to quantify her baby's movements. However, the optimal number of movements and the ideal duration of counting them have not been recognized. The aim of this study was to determine the diagnostic value of the two common fetal movements counting methods by mother including "ten fetal movements counting in two hours" and "three fetal movements counting in one hour" and to compare the required mean time for counting fetal movements in the two methods.