Outcomes Associated with Weight Gain During Pregnancy

The guideline developers graded the strength of available evidence3 (strong, moderate or weak) based on the quality of the research, quantity of studies, and the consistency of findings for each outcome. [...] The guideline concluded that the risk of having a low birth weight baby is half for women in the highest GWG category compared to women in the lowest GWG category.(2) Conversely, the risk of macrosomia (defined as birth weight >4,000 or 4,500g) is roughly two to three times greater for women in the highest GWG category compared to women in the lowest category.(2) Additionally, a meta-analyses of 1 [...] The guideline authors estimate that women with the lowest GWG have two to three times the risk of having an infant who is SGA when compared to the women in the highest GWG category.(2) This risk appears to be greater among women with a lower prepregnancy BMI.(2) For each 1kg increase in GWG the risk of LGA is increased by a factor of 1.1.(2) One review found that obese women who gained below recom [...] Analysis of data from the 1988 National Maternal and Infant Health Survey (NMIHS) on the association between GWG and pregnancy outcomes by race and on the association between GWG and postpartum weight retention. [...] Focus of the 1. Systematic review systematic review • Outcomes of gestational weight gain with specific attention to: and literature review o Weight gain during pregnancy and association with i) birth that informed this outcomes, ii) infant health outcomes, and iii) maternal health guideline outcome and their confounders and effect modifiers.