Diet, Protein-RestrictedMaternal Nutritional Physiological PhenomenaProtein DeficiencyFetal Growth RetardationDietary ProteinsPregnancyPrenatal Exposure Delayed EffectsFetusalpha-FetoproteinsFetal DevelopmentRats, WistarFetal ProteinsPrenatal Nutritional Physiological PhenomenaLactationPregnancy, AnimalPlacentaMaternal-Fetal ExchangePregnancy ComplicationsBody WeightHeligmosomatoideaOrgan SizeAnimals, NewbornBirth WeightFetal WeightGestational AgeSexual DevelopmentEmbryonic and Fetal DevelopmentDNA Restriction EnzymesFetal Nutrition DisordersCaloric RestrictionProtein-Energy MalnutritionFood DeprivationWeaningPolymorphism, Restriction Fragment LengthInfant, Small for Gestational AgeProteinuriaInfant, NewbornLongevityLitter SizeGene Expression Regulation, DevelopmentalPlacental InsufficiencyEnergy IntakeOocytesAmino Acids, SulfurPregnancy Trimester, ThirdGlomerular Filtration RateUltrasonography, PrenatalUrea