Meta Analysis the Effect of Excessive Weight Gain in Pregnant Women on Low Birth Weight Infants

Abstract

Background: Weight gain during pregnancy, among the important indicators of preg�nancy maternal nutrition, is also a good measure of intra-uterine fetal nutrition. Whether maternal overweight and obesity is associated with increased, decreased, or neutral risks of low birth weight has been debated in the literature, with the uncertainty opinion on obesity in pregnancy. This study sought to clarify the impact of excessive weight gain in pregnant women on low birth weight infants.