background: the timing of maternal weight change in pregnancy may be an important determinant of birth weight. the objective of this study was to measure weight gain patterns from early pregnancy until delivery, and to examine the relationship between prenatal weight gain and low birth weight.   methods: a total of 500 pregnant women within 15-20 days of conception, with confirmed pregnancies a...

abstract  background: low birth weight neonates are confronted with some problems after  birth, they should be followed up and evaluated at different ages of life.the aim of this study was to determine the impact of birth weight on the risk of sensorineural hearing impairment on children.  method: this cross sectional and retrospective study determined the prevalence  of hearing problems in low...

introduction: the aim of this study was to investigate weight gain during pregnancy and birth weight in rural regions of tabriz, a province in the northwest of iran. materials & methods: a cross-sectional study was conducted using routinely collected data of pregnant mothers from rural health centers. eight health centers were randomly selected in rural areas of tabriz. totally, 874 women aged ...

body weight (bw) and carcass traits are complex and important economic traits that may benefit from the implementation of mas. the objective of the current study was to identify qtl associated with bw and carcass traits in an experimental half-sib cross of japanese quails selected for bw at 4 weeks of age. body weight and carcass traits were measured in the f2 population. total f2 individuals a...