Background: Developmental delay in preterm infants was estimated to be more common than term infants. Identifying the factors predisposing to developmental delay can help experts and health professionals in this field to prevent developmental delay of the infants, and leads to better management of the condition of them. This study aimed to evaluate and investigate the predisposing factors of de...

Background The first year of life is of a great significance in promoting health and the quality of life. The present research aimed to determine the factors affecting the mortality of infants below the age of one year in Bandar Abbas, Iran. Materials and Methods The present retrospective research was conducted based on a questionnaire developed by the present researchers as well as the analysi...

For estimating genetic parameters for body weight traits in Kourdi sheep data were collected from 1996 to 2013 in Kourdi Breeding Station in Northern Khorasan province of Iran. Studied traits were birth weight (BW), weaning weight (WW), six-month weight (6MW), nine-month weight (9MW) and yearling weight (YW). The fixed effects in the model were lambing year, sex, type of birth and age of dam. (...

background: life expectancy at birth as an alternative summary measure of mortality represents number of years which a newborn will be alive based on the current age specific death rates. as it summarizes death rates across all age range in a given population is the most common summary measure of mortality. the aim of this study was to correct death rates for underreport and estimate life expec...

background & aim: the fear of childbirth is defined as the fear experienced before, during and after birth. this study was carried out to study the relationship between fear of childbirth and obstetric variables . methods & materials : : this cross sectional study was conducted in a state hospital in kars, turkey on 403 pregnant women who were recruited from the delivery ward. the convenience s...

the aim of this study was to find out whether there is seasonality of month of birth in children with diabetes in mashhad and if so whether it differs from that of general papulation. 161 children and adolescents (0-18 years) with type 1 diabetes born between 1983-2001 were included the study. the results were analyzed by student’s t test and chi-square test and a p value<0.05 was considered si...

data utilized in this study were 6800 records of lambs’ life longevity, and survival rate from 263 sires and 1839 dams collected from 1989 through 2009, from the lori-bakhtiari flock at shooli station in shahrekord. the data were analyzed, using linear and hazard ratio models along with weibul function. these models included such non genetic factors as year and month of birth, sex of lamb, type...