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      Relación entre el índice de masa corporal durante la gestación en embarazadas adolescentes y adultas, indicadores antropométricos de crecimiento fetal y retardo de crecimiento intrauterino. La Costa, Argentina, 1999

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          Abstract

          El Indice de masa corporal (IMC) ha sido empleado como predictor del crecimiento fetal. Sin embargo, la mayoría de los estudios focalizan sobre valores de IMC de mujeres no gestantes, siendo que el IMC varía con la edad gestacional. Por otra parte, la adolescencia se ha caracterizado como factor de riesgo de retardo de crecimiento intrauterino (RCIU: peso para la edad gestacional < 10 percentilo). Los objetivos del estudio fueron:1) identificar la distribución de indicadores de peso, talla e IMC en gestantes adolescentes y adultas y de sus respectivos neonatos, 2) evaluar la asociación entre el IMC materno y el crecimiento fetal y 3) evaluar el riesgo de RCIU de acuerdo al IMC materno en ambos grupos etáreos.. Se estudiaron 2409 gestantes y sus neonatos. Se midieron la talla, el peso y se calculó el IMC según trimestres de gestación. El peso al nacer, longitud corporal , perímetro cefálico e IMC neonatal fué examinado. Tomando como punto de corte -1 desvío estándar, se calcularon los valores del punto de corte cada 4 semanas de amenorrea y el score Z en el último control prenatal en cada paciente. Resultados: Hubo diferencias estadísticamente significativas en el tamaño y composición corporal entre adolescentes y adultas gestantes, así como en sus neonatos. Los RN cuyas madres tuvieron un IMC debajo de -1 DS fueron más pequeños, siendo que el riesgo de RCIU, al ajustar por edad materna, fué el doble para aquellos RN cuyas madres tuvieran un IMC 1DS. Conclusiones: Tanto el tamaño como la composición corporal varían entre los RN acorde a la ubicación del IMC materno, superior o inferior a -1 DS y 2- El riesgo de RCIU es dos veces mayor en embarazadas con IMC por debajo de - 1 DS, independientemente se trate de adolescentes o adultas

          Translated abstract

          Relationships between body mass index during pregnancy in adolescent and adult mothers, anthropometric indicators of fetal growth and intrauterine growth retardation. La Costa, Argentina. Body mass index (BMI) has been employed as an epidemiologic predictor of fetal growth. But most of the studies are focused on BMI values for non pregnancy women, while BMI varies according to gestational age. On the other hand, adolescence has been considered as a risk factor for intrauterine growth retardation (IUGR :birthweight for gestational age < 10th. centile). The aims of this study were: 1) to identify the distribution for weight, height and BMI in adolescent and adult pregnancies , 2) to measure the association between maternal BMI and fetal growth and 3) to evaluate the relative risk to have an intrauterine growth retardation (IUGR) according to maternal BMI. 2409 pregnancies and their newborns were studied. Maternal height and weight were measured and BMI by gestational age was calculated by trimesters of gestation . Birthweight, recumbent lenght, cefalic perimeter, BMI and weight by gestational age were determinied in the newborns. Z score by gestational age were calculated in each pregnant woman taken into account the cutt of point of BMI of _ 1 standard deviation. There were highly statistically significants differences in both body size and body composition between adolescent and adult mothers and in their newborns. The newborns from mothers with BMI under _ 1 standard deviation were smaller and the relative risk to have an IUGR was double for newborns whose mothers had BMI under _ 1 standard deviation. Conclusions: 1- Both body size and composition values differs between newborns from mothers under or above the cut off point of -1SD of BMI and 2- The risk to have an IUGR was double in pregnancies under _1 SD of BMI, independently to the age of the mother

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          Most cited references51

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          Physical Status: The Use and Interpretation of Anthropometry

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                alan
                Archivos Latinoamericanos de Nutrición
                ALAN
                Sociedad Latinoamericana de Nutrición (Caracas )
                0004-0622
                June 2001
                : 51
                : 2
                : 145-150
                Affiliations
                [1 ] Hospital Maternoinfanti de San Clementel
                Article
                S0004-06222001000200005
                89a055a4-d896-4c6e-a9b8-517faabb6660

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Venezuela

                Self URI (journal page): http://www.scielo.org.ve/scielo.php?script=sci_serial&pid=0004-0622&lng=en
                Categories
                NUTRITION & DIETETICS

                Nutrition & Dietetics
                Body mass index,intrauterine growth retardation,body composition,perinatology,Indice de masa corporal,retardo de crecimiento intrauterino,composición corporal,perinatología

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