this descriptive study is carried out to determine the effectiveness of family planning programmes in iran for years 1991-96. the study revealed the following outlines: contraceptives prevalence rates increased from 42% to 67% during years 1991-96. zaro couples years of protection increased for norplant, injectable contraceptive, iud, vasectomy and tubectomy, but for candom it is decreased in y...

What are they? In human health it is generally the case that the more people studied, and the longer the surveillance of them, the greater the number of new occurrences of any specified condition there are likely to be. This is because of the increase in total time ‘at risk’ of having an event, that is, the increased persons-and-time of observation. A rate is an arithmetic way of quantifying th...

background: although many efforts made for the advancement of medical science, it is distributed inequitably despite of all existing financial and human resources facilities. children as the most important and vulnerable groups of society are influenced by these inequities. the objective of this study is comparison of children health indices in rich and poor rural zones in mashhad/iran. methods...

conclusion our findings support prone positioning for premature infants. therefore, it is advisable to nicu staff that if there is no obstacle for changing the infant’s position, prone position in infants with respiratory complications during receiving n-cpap in nicu can be useful. regarding the fact that prone position is a risk factor for sudden infant death syndrome , prone position should b...

the present study aimed to assess changes in resting and maximum heart rates as primary indicators of cardiac autonomic function in metabolic syndrome (mets) patients and to determine their value for discriminating mets from non-mets. 468 participants were enrolled in this cross-sectional study and assessed according to the updated adult treatment panel iii (atp-iii) definition of mets. resting...

background and aims: this study aimed to investigate the deaths and injuries following pedestrian traffic accidents and factors associated with death of pedestrian in tehran and alborz provinces. methods: in this cross-sectional study all traffic accidents related to pedestrians in tehran and alborz provinces reported from march 21, 2013 to march 21, 2014 by the traffic police were studied. the...