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...

A new method for estimating age-related centile curves has been developed, which is suitable for measurement covering a wide age range. The method was used to calculate weight centile curves of 8995 children from birth to 6 years obtained by the Collaborating Centre for Physical Growth and Psychosocial Development of Children in Shanghai, China.

BACKGROUND Identifying every pregnancy, regardless of home or health facility delivery, is crucial to accurately estimating maternal and neonatal mortality. Furthermore, obtaining birth weights and other anthropometric measurements in rural settings in resource limited countries is a difficult challenge. Unfortunately for the majority of infants born outside of a health care facility, pregnanci...

BACKGROUND Laboratory workers are commonly exposed to chemical, biological and physical agents. They also may adopt poor postures for long periods and be engaged in moving and handling. These factors may increase the risk of adverse pregnancy outcome in female laboratory workers. AIMS To assess whether laboratory work during pregnancy increases the risk of adverse pregnancy outcomes. METHOD...

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...