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[Relationship between maternal body mass index, gestational weight gain and birth weight; prospective study in a health department].

Abstract：

OBJECTIVES:To ascertain the relationship between maternal weight gain and birth weight, in every pre-gestational body mass index (BMI) category. MATERIAL AND METHODS:A two-stage sampling observational and descriptive study was carried out in the health department of La Ribera (Valencia, Spain). The sample was divided into four groups according to pre-gestational BMI. FINDINGS:140 pregnant women were studied. We observed rising pre-gestational weight gain (PWG) and trimestral gradients. There was a higher increase from the first to the second trimester than from the second to the third trimester in every pre-gestational BMI category. According to the international recommendations of Institute of Medicine, 16.4% of women had an inferior gestational weight gain (GWG), 38.6% were within the recommendations and 45% were above them. The pre-gestational BMI, categorized by the WHO, is related to the birth weight, showing a statistical significance (F=6.636 and and p<0.001). Obese mothers with a higher weight gain than the recommended have newborns with higher birth weight (4,353 ± 821.924 g) and, underweight mothers with a lower weight gain than the recommended, have newborns with lower birth weights (2,900 ± 381.83 g) than the rest of the groups. CONCLUSIONS:The absolute gestational weight gain did not show a statistical significance compared to the birthweight in any of the pre-gestational BMI categories and, as an isolated indicator, is not an added value to the prenatal quality control. :Objetivo: Contrastar la relación que existe entre la ganancia de peso gestacional y el peso del recién nacido, entre cada categoría de IMC pregestacional. Material y Métodos: Estudio observacional y descriptivo con muestreo bietápico en el Departamento de Salud de la Ribera (Valencia, España). Se clasificaron en cuatro grupos dependiendo del índice de masa corporal (IMC) pregestacional. Resultados: Se estudiaron 140 gestantes. La evolución de la ganancia de peso gestacional (GPG) y de sus gradientes trimestrales fue ascendente. Se produjo un mayor incremento del primer al segundo trimestre que del segundo al tercero para todas las categorías de IMC pregestacional. Según las recomendaciones internacionales de GPG el 16,4% de la muestra tuvo una ganancia de peso inferior a la recomendada, el 38,6% una ganancia de peso igual y el 45% una ganancia de peso superior. El IMC pregestacional categorizado por la OMS, está relacionado con el peso al nacer, mostrando significación estadística (F=6,636 y p<0,001). Las obesas con una ganancia de peso mayor de la recomendada tienen recién nacidos con mayor peso (4.353±821,924 g) y las de bajo-peso con ganancia menor de la recomendada, tienen recién nacidos con pesos menores (2.900±381,83 g) que el resto de grupos. Conclusiones: La GPG de forma absoluta no mostró significación estadística con el peso al nacer con ninguna categoría materna de IMC pregestacional y, como indicador aislado, no es un valor añadido a la calidad del control prenatal.

journal_name

Nutr Hosp

journal_title

Nutricion hospitalaria

authors

Vila-Candel R,Soriano-Vidal FJ,Navarro-Illana P,Murillo-Llorente MT,Martín-Moreno JM

doi

10.3305/nh.2015.31.4.8495

subject

Has Abstract

pub_date

2015-04-01 00:00:00

pages

1551-7

issue

eissn

0212-1611

issn

1699-5198

journal_volume

pub_type

杂志文章

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[Relationship between maternal body mass index, gestational weight gain and birth weight; prospective study in a health department].