Fetal Growth RetardationPlacental InsufficiencyPregnancyFetal DevelopmentPlacentaFetal WeightPre-EclampsiaGestational AgePlacental CirculationInfant, Small for Gestational AgeUltrasonography, PrenatalUmbilical ArteriesBirth WeightPlacenta DiseasesInfant, NewbornPregnancy OutcomePregnancy Trimester, SecondFetusUterine ArteryUterusPregnancy Trimester, ThirdFetal MonitoringPregnancy ComplicationsFetal DeathPlacentationUltrasonography, DopplerTrophoblastsMaternal-Fetal ExchangeAmino Acid Transport System APremature BirthFetal MovementHypertension, Pregnancy-InducedStillbirthInfant, Low Birth WeightPregnancy Complications, HematologicCampylobacter rectusPerinatal MortalityPulsatile FlowAbruptio PlacentaeCardiotocographyPregnancy Trimester, FirstEmbryonic and Fetal DevelopmentPrenatal Exposure Delayed EffectsCaloric RestrictionMaternal ExposureUltrasonography, Doppler, ColorMaternal AgeDNA Restriction EnzymesInsulin-Like Growth Factor IIArteriesOrgan SizeFetal BloodCase-Control StudiesBlood Flow VelocityDelivery, ObstetricSheepPolymorphism, Restriction Fragment LengthMaternal Nutritional Physiological PhenomenaThrombophiliaPregnancy-Associated Plasma Protein-AMothersProspective StudiesFetal HypoxiaPrenatal Nutritional Physiological PhenomenaCohort StudiesRisk FactorsRNA, MessengerSilver-Russell SyndromeRetrospective StudiesFetal ResorptionReference ValuesPregnancy, AnimalInfant, PrematureGene Expression Regulation, DevelopmentalCrown-Rump LengthHeart Rate, FetalPregnancy TrimestersPredictive Value of TestsSensitivity and SpecificityDisease Models, AnimalChorionic VilliUltrasonography, Doppler, PulsedRats, Sprague-DawleyConfidence IntervalsBiological MarkersDeoxyribonucleases, Type II Site-SpecificPregnancy Complications, CardiovascularAmniotic FluidFetal Nutrition DisordersPregnancy, TwinBody WeightDiet, Protein-RestrictedReverse Transcriptase Polymerase Chain ReactionFetal MacrosomiaImmunohistochemistryGenomic ImprintingPolyhydramniosHeadPregnancy, High-RiskHELLP Syndrome