CAMACHO-BUENROSTRO, Dennis; PEREZ-MOLINA, J. Jesús; VASQUEZ-GARIBAY, Edgar M    GUADALUPE PANDURO-BARON, J.. The association between pre-pregnancy obesity and weight gain in pregnancy, with growth deviations in newborns. []. , 32, 1, pp.124-129. ISSN 1699-5198.  https://dx.doi.org/10.3305/nh.2015.32.1.8870.

^len^aIntroduction: obesity in pregnancy has been associated with increased morbidity for the mother and fetus. Objective: to quantify the association between obesity in pregnancy with growth deviations of their newborn infants. Methods: a study of non-matched cases and controls was performed based on the Nuevo Civil Hospital of Guadalajara "Dr. Juan I Menchaca" 2012-2013. The dependent variables were the newborn being either large (LGA) or small for gestational age (SGA), and the independent variable was pre-pregnancy obesity. Gynecoobstetric and socioeconomic data were collected. The association between the dependent and independent variables was assessed with logistic regression. Results: one-hundred and forty-three mother-child dyads were studied with growth deviations of their newborn infants, and 137 mother-child dyads without growth deviations were studied. The age of the patients was 24.7 ± 6.3 vs. 24.0 ± 6.0 years, and the gestational age was 38 ± 1.2 vs. 38 ± 1.5. Factors associated with growth deviations were pre-pregnancy obesity (OR 2.65, 95% CI 1.29- 5.44), elevated weight gain during pregnancy (OR 1.98, 95% CI 1.04-3.76) and disease during pregnancy (OR 2.62, 95% CI 1.05-6.76). A multivariate model with the dependent variable LGA and associated covariates showed that pre-pregnancy obesity and high gestational weight gain were predictors of LGA (OR 2.43, 95% CI 1.10-5.40) and (OR 3.31, 95% CI 1.83-5.96). Conclusions: in a population of young women with scarce economic resources, pre-pregnancy obesity and high weight gain during pregnancy were predictors of LGA.^les^aIntroducción: la obesidad en el embarazo se ha relacionado con mayor morbilidad para la madre y el feto. Objetivo: cuantificar la asociación entre obesidad en el embarazo con desviaciones del crecimiento de sus recién nacidos. Métodos: se realizó un estudio de casos y controles, no pareado, basado en el Nuevo Hospital Civil de Guadalajara "Dr. Juan I Menchaca" de 2012 a 2013. Las variables dependientes fueron recién nacido grande (GEG) y pequeño para edad gestacional (PEG), y la independiente obesidad pre-gestacional. Se recabaron datos socioeconómicos y ginecoobstétricos. La asociación entre las variables dependientes con las independientes, se evaluó con regresión logística. Resultados: se estudiaron 143 díadas madre-hijo con desviaciones en el crecimiento de sus RN, y 137 díadas madre-hijo sin desviaciones. La edad de las embarazadas fue 24.7 ± 6.3 vs 24.0 ± 6.0 años, y la edad gestacional 38±1.2 vs 38±1.5. Los factores asociados con desviaciones en el crecimiento fueron: obesidad pre-gestacional (RM 2.65, IC95% 1.29-5.44), ganancia de peso durante el embarazo elevada (RM 1.98, IC95% 1.04-3.76) y enfermedades durante el embarazo (RM 2.62, IC95% 1.05-6.76). Un modelo multivariado, con la variable dependiente GEG, y las covariables asociadas, demostró que la obesidad pregestacional y ganancia de peso gestacional elevada fueron predictores de GEG (RM 2.43, IC95% 1.10- 5.40) y (RM 3.31, IC95% 1.83-5.96). Conclusiones: en una población de mujeres jóvenes de escasos recursos económicos, la obesidad pregestacional y la ganancia de peso durante el embarazo alta, fueron predictores de productos GEG.

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