abstractbackground: previous studies revealed that maternal serum level of vitamin d can influence neonatal outcomes. in this controlled trial, we evaluated the effect of vitamin d supplementation during pregnancy on birth weight.methods: in this interventional study, we enrolled 67 pregnant women (gestation: 10 weeks), who referred to seyyedal shohada hospital during two years (from january 20...

in this research a comparative study has been made between case and control groups. the cases were low birth weight newborns (under 2500 gr) and the controls were normal berth weighing 2500 gr or more at birth. four groups of birth weight were considered as follows: very low birth weight, low birth weight, moderately low birth weight and normal. the data were collected over a period of 8 months...

the objective of this study was to investigate the effect of birth weight (bw) on future milk production and reproductive performance in iranian holstein cattle. records of holstein cows between 1967 and 2010 were obtained from the animal breeding center of iran. birth weights within each herd were grouped into five categories based on the standard normal distribution curves (z ≤-0.8416, -0.841...

calving records of iranian buffaloes from april 1991 to june 2010 comprising 1,151 herds with 34,911 calving events were used to evaluate reported secondary sex ratio, stillbirth, and calf birth weight. logistic regression models were applied to analyze stillbirth and calf sex at birth, and statistical analysis of calf birth weight was performed using a linear mixed model. overall, the ratio of...

introduction: low birth weight (lbw, birth weight<2500g) is a significant health problem in children all around the world. there is a direct relationship between low birth weight and infant mortality rate. one of the most important measures to prevent childhood morbidity is growth monitoring. the present study was planned to compare the growth rate of lbw neonates with those weighing 2500g and ...

background: limited data are available indicating associates of stunting among iranian c hildren. objective: this study was conducted to investigate determinants of stunting in first grade primary school children of tehran in 2007. methods: in this case‑control study, 3147 school children were selected by multistage cluster random sampling method from 5 districts of tehran. anthropometric measu...

objective: this study aimed to compare newborns anthropometric indices of housewives and employed women. materials and methods: this case control study compared newborns’ anthropometric indices (weight, length, head circumference) and first minute apgar between working women and housewives. two hundred consecutive term pregnant women during active phase of labor without any pregnancy complicati...