Macronutrient composition and gestational weight gain: a systematic review

Myrte Tielemans, Audry Garcia Gutierrez, Andre Peralta Santos, WM (Wichor) Bramer, Nellija Luksa, Mateus Luvizotto, Eduardo Martelli Moreira, G Topi, Ester Jonge, Thirsa Visser, Trudy Voortman, Janine Felix, Eric Steegers, Jessica Jong, OH Franco Duran

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Abstract

Background: Abnormal gestational weight gain is associated with unfavorable pregnancy outcomes. Several risk factors have been identified, but the effect of macronutrient intake during pregnancy on gestational weight gain has not been systematically evaluated in both high-income countries and low- and middle-income countries. Objective: We conducted a systematic review of the literature in 8 different databases (until 12 August 2015) to assess whether energy intake and macronutrient intake (i.e., protein, fat, and carbohydrate) during pregnancy were associated with gestational weight gain (following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines). Results: Of 7623 identified references, we included 56 articles (46 observational studies and 10 trials, 28 of which were in high-income countries and 28 of which were in low- and middle-income countries). Eleven of the included articles were of high quality (20%). Results of 5 intervention and 7 high-quality observational studies suggested that higher energy intake during pregnancy is associated with higher gestational weight gain (n = 52). Results from observational studies were inconsistent for protein intake (a = 29) and carbohydrate intake (n = 18). Maternal fat intake (n = 25) might be associated with gestational weight gain as suggested by observational studies, although the direction of this association might depend on specific types of fat (e.g., saturated fat). Macronutrient intake was not consistently associated with the prevalence of inadequate or excessive gestational weight gain. Associations were comparable for high-income countries and low- and middle-income countries. Conclusions: The current literature provides evidence that energy intake is associated with gestational weight gain, but the roles of individual macronutrients are inconsistent. However, there is a need for higher-quality research because the majority of these studies were of low quality.
Original languageUndefined/Unknown
Pages (from-to)83-99
Number of pages17
JournalAmerican Journal of Clinical Nutrition
Volume103
Issue number1
DOIs
Publication statusPublished - 2016

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