%0 Journal Article %A Goshtasebi, A %A Banaem, L %A Âlizadeh Rodbary, M %A Bakouei, S %T The Association Between Preconception Body Mass Index and Pregnancy Weight gain on Birth Weight %J Journal of Mazandaran University of Medical Sciences %V 21 %N 84 %U http://jmums.mazums.ac.ir/article-1-672-en.html %R %D 2011 %K Pregnancy, body mass index, pregnancy weight gain, birth weight, %X Background and purpose: The newborn birth weight is an important indicator for prenatal care, general health and fetal viability. The aim of this study was to assess the relationship between pre-pregnancy BMÏ and pregnancy weight gain on neonatal birth weight. Materials and methods: Ïn a descriptive-analytical study, 16-40 years old pregnant mothers registered to prenatal clinics of Lowlagar and Mahdieh Hospitals in Tehran in the year 2009 were studied. Simple sampling method was used. Weight gain during prenatal visits was recorded and mothers were followed up for maternal-fetal outcomes till delivery. The association between primary BMÏ, total pregnancy weight gain and birth weight was assessed by multivariate regression model. Results: 1084 eligible mothers with singleton, low risk pregnancy were studied. There was a statistically significant relationship between pre-pregnancy BMÏ and pregnancy weight gain and newborn birth weight (p %> http://jmums.mazums.ac.ir/article-1-672-en.pdf %P 81-85 %& 81 %! %9 Research(Original) %L A-10-1-672 %+ %G eng %@ 1735-9260 %[ 2011