background; reproduction is an important population concept throughout the world, and demographists consider it among four main life events. given iran's population growth policy, this study was conducted to assess the tendency to pregnancy in women in zanjan. method; from among health centers in five geographical districts in zanjan (north, south, east, west, and center), one was randomly...

Introduction Currently Centers for Disease Control and Prevention (CDC) employ threshold rules to declare epidemic outbreaks, such as influenza, separately in each population. However each year influenza starts in one population and spreads population-to-population throughout the country. Therefore there is a need for an algorithm to declare the epidemic that uses information from multiple popu...

Participation Rate, Family Histories, Symptoms, and Incidence of Breast Cancer in the Screening Program for Population Covered by Arak Health Centers

background: considering population aging in iran and the importance of cataract surgery in the old age, this study was performed to show the cataract surgical rate (csr) between 2006 and 2010 in tehran province. methods: eighteen centers were randomly selected from cataract surgery centers in tehran. in each center, one week in every season was randomly selected and the number of cataract surge...