• Nutrition · Sep 2019

    Gestational weight gain trajectories over pregnancy and their association with maternal diet quality: Results from the PRINCESA cohort.

    • Monica Ancira-Moreno, Felipe Vadillo-Ortega, Juan Ángel Rivera-Dommarco, Brisa N Sánchez, Jeremy Pasteris, Carolina Batis, Marisol Castillo-Castrejón, and Marie S O'Neill.
    • Health Department, Universidad Iberoamericana, Mexico City, Mexico; UNAM, School of Medicine Branch at Instituto Nacional de Medicina Genómica, México City, México; National Institute of Public Health, Cuernavaca, Morelos, Mexico.
    • Nutrition. 2019 Sep 1; 65: 158166158-166.

    ObjectiveThe aims of this study were to characterize, among pregnant Mexican women, gestational weight gain (GWG) trajectories; assess associations of maternal dietary quality score (MDQS) with GWG during early-mid pregnancy, middle pregnancy, late pregnancy, and prolonged pregnancy; and evaluate the association between MDQS and adequacy of GWG, throughout pregnancy. We hypothesized that higher MDQS adherence is protective against insufficient or excessive GWG across pregnancy and that the association between MDQS adherence and GWG would vary by prepregnancy body mass index (BMI) category.MethodsWe analyzed data from 660 pregnant women participating in the PRINCESA (Pregnancy Research on Inflammation, Nutrition and City Environments: Systematic Analyses) cohort in Mexico City, 2009 to 2014. Repeated measures of dietary intake and mother's weight were obtained during pregnancy. Individual GWG trajectories were modeled in a multilevel regression framework. Associations between MDQS (low, medium, and high adherence) and GWG were investigated using mixed-effect regression models with linear splines.ResultsWomen with prepregnancy BMI of ≥30 kg/m2 had a slower rate of GWG (RGWG) compared with other categories. A higher adherence to MDQS was protective against an insufficient (odds ratio [OR], 0.63; 95% confidence interval [CI], 0.42-0.95; P = 0.03) and an excessive RGWG (OR, 0.62; 95% CI, 0.41-0.94; P = 0.03) throughout pregnancy, adjusting for prepregnancy BMI, energy intake, maternal age, educational level, parity, fetal sex, marital status, and physical activity. Associations between diet and RGWG differed by gestational period.ConclusionA better quality diet, as measured by MDQS, was associated with appropriate GWG during pregnancy in the PRINCESA cohort.Copyright © 2019 Elsevier Inc. All rights reserved.

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