Body WeightWeight LossWeight GainMolecular WeightBirth WeightFetal WeightInfant, Low Birth WeightObesityWeight Reduction ProgramsOrgan SizeBody Mass IndexPregnancyInfant, NewbornDiet, ReducingInfant, Very Low Birth WeightBody CompositionOverweightEatingEnergy IntakeTime FactorsDietGestational AgeAdipose TissueBody Weights and MeasuresRisk FactorsWeight LiftingWeaningEnergy MetabolismAnthropometryFeeding BehaviorInfant, Extremely Low Birth WeightCattleBreedingLiverProspective StudiesElectrophoresis, Polyacrylamide GelAmino AcidsWeights and MeasuresRandom AllocationCohort StudiesRegression AnalysisAnalysis of VarianceExerciseObesity, MorbidSwineTreatment OutcomeChromatography, GelAge FactorsInfant, PrematureAnti-Obesity AgentsSex FactorsLitter SizeFollow-Up StudiesLeptinMolecular Sequence DataAmino Acid SequenceKineticsQuestionnairesUnited StatesAnimal FeedThinnessDose-Response Relationship, DrugCross-Sectional StudiesFetal DevelopmentIdeal Body WeightInsulinDietary FatsRats, Sprague-DawleyPregnancy ComplicationsDietary ProteinsDisease Models, AnimalBody ConstitutionRetrospective StudiesFetal Growth RetardationMice, Inbred C57BLNutritional StatusMotor ActivityAgingRats, WistarAdiposityCaloric RestrictionProteinsChild DevelopmentReproductionReference ValuesLipidsBlood PressurePregnancy OutcomeGastric BypassLactationSheepHydrogen-Ion ConcentrationParityBase SequenceLife StyleLeast-Squares AnalysisPhenotypeInfant, Small for Gestational AgeAppetite DepressantsRats, Inbred Strains