Postnatal CareAnimals, NewbornPregnancyAgingPrenatal Exposure Delayed EffectsGene Expression Regulation, DevelopmentalInfant, NewbornDepression, PostpartumRats, Sprague-DawleyGestational AgeNeuronsFetusMice, Inbred C57BLMice, TransgenicBrainMice, KnockoutAge FactorsImmunohistochemistryBody WeightRNA, MessengerRats, WistarCell DifferentiationAnimals, SucklingCerebellumOrgan SizeEmbryonic and Fetal DevelopmentNerve Tissue ProteinsInfant, PrematureTestisFetal DevelopmentStem CellsFetal DiseasesIn Situ HybridizationCell CountMaternal DeprivationGrowthMuscle DevelopmentMaternal-Fetal ExchangeBirth WeightTime FactorsNeurogenesisGrowth and DevelopmentRats, Long-EvansHippocampusRetinaEmbryo, MammalianCritical Period (Psychology)Disease Models, AnimalMaternal ExposureCells, CulturedBehavior, AnimalUltrasonography, PrenatalOvernutritionSexual MaturationCerebral CortexMice, Neurologic MutantsMice, Mutant StrainsPrenatal DiagnosisWeaningMaternal Nutritional Physiological PhenomenaSynapsesRooming-in CareNeurogliaMaternal BehaviorChild DevelopmentCell ProliferationPhenotypeFetal Growth RetardationLactationOlfactory BulbReverse Transcriptase Polymerase Chain ReactionRetinopathy of PrematurityPurkinje CellsLitter SizeOligodendrogliaProsencephalonAnalysis of VarianceMothersBreast FeedingBromodeoxyuridineHyperoxiaBone DevelopmentPostpartum PeriodSheepNeuronal PlasticityAxonsSignal TransductionSertoli CellsRats, Inbred Strainsgamma-Aminobutyric AcidBrain StemSensory DeprivationPatch-Clamp TechniquesOrgan Culture TechniquesBlotting, WesternPrenatal Nutritional Physiological PhenomenaBronchopulmonary DysplasiaGrowth DisordersNeocortexNurse Midwives