Relação do peso de recém-nascidos e placentas. Estudo em recém-nascidos de termo, pré-termo e pós-termo, de pesos adequado, baixo e grande para a idade gestacional
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Data
1979-01-01
Autores
Trindade, Cleide Enoir Petean [UNESP]
Nobrega, Fernando José de [UNESP]
Rudge, Marilza Vieira Cunha [UNESP]
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Resumo
Birth weight and placental weight of 566 newborns were determined. The newborns were classified by birth weight and gestational age in seven groups: term, preterm and postterm newborns with weight appropriate for gestational age; term and postterm newborns small for gestational age; term and preterm newborns large for gestational age. The differences in the mean placental weight in the preterm, term and postterm newborns with weight appropriate for gestational age were not significant. After 34 weeks of gestation there was little increase in placental weight. The mean placental weight of newborns large for gestational age was significantly different from that of term newborns appropriate for gestational age. In the term and postterm newborns small for gestational age the mean placental weight was significantly different from term and postterm newborns appropriate for gestational age. These findings suggest that newborns with an appropriate intrauterine growth have little increase in placental weight in the gestational period. Gestational age is not an important factor in determining placental weight in this period. Nutrition is important for placental growth-retarded infants have small placentas and large-for-date infants have large placental weight.
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age, birth weight, diagnosis, etiology, fetus, gestation period, newborn, placenta weight, pregnancy, prematurity, prenatal development
Como citar
Jornal de Pediatria, v. 46, n. 4, p. 208-214, 1979.