Weight GainPregnancyPregnancy ComplicationsBody WeightPregnancy OutcomePregnancy, AnimalBirth WeightPregnancy, EctopicWeight LossPregnancy Trimester, ThirdPregnancy Trimester, FirstPregnancy TrimestersPregnancy RatePregnancy Complications, CardiovascularPregnancy TestsObesityPregnancy in DiabeticsPregnancy Trimester, SecondPregnancy, MultipleInfant, NewbornGestational AgePregnancy in AdolescencePregnancy, TubalMolecular WeightPregnancy Complications, NeoplasticPregnancy Complications, InfectiousBody Mass IndexEatingAbortion, SpontaneousPregnancy ProteinsPregnancy, High-RiskPregnancy, UnplannedInfant, Low Birth WeightPregnancy, UnwantedEnergy IntakeDietFetal WeightParityPlacentaOrgan SizePrenatal CarePregnancy Complications, HematologicPre-EclampsiaRisk FactorsFetal DeathBody CompositionTime FactorsProspective StudiesPregnancy, ProlongedLactationPregnancy, TwinPrenatal Exposure Delayed EffectsUterusCohort StudiesFetal DevelopmentOverweightFetal Growth RetardationEnergy MetabolismMaternal-Fetal ExchangeAbortion, InducedPregnancy Complications, ParasiticInstitute of Medicine (U.S.)Diabetes, GestationalUltrasonography, PrenatalPregnancy, AbdominalFeeding BehaviorPregnancy MaintenanceMaternal AgeEmbryo ImplantationAdipose TissueCesarean SectionEmbryo TransferHypertension, Pregnancy-InducedFetal MacrosomiaWeaningFertilization in VitroGrowthPremature BirthRandom AllocationFetusAbnormalities, Drug-InducedLeptinAnimal FeedMaternal ExposureDietary FatsCattleProgesteroneAnthropometrySwineHyperphagiaFertilityInfant, Small for Gestational AgeDietary ProteinsPregnancy Reduction, MultifetalMothersRetrospective StudiesLitter SizeLabor, ObstetricTwinsMaternal Nutritional Physiological Phenomena