Body SizeLarvaBody ConstitutionBirth WeightBody WeightBody HeightBody Mass IndexBody CompositionObesityWeight GainDrosophila melanogasterLongitudinal StudiesGene Expression Regulation, DevelopmentalAdipose TissueAnthropometryBiological EvolutionInfant, NewbornCohort StudiesAge FactorsAgingPhenotypeRisk FactorsSocioeconomic FactorsPregnancyTime Factors