Fetal WeightUltrasonography, PrenatalPregnancyPrenatal Exposure Delayed EffectsFetal DevelopmentBirth WeightBody WeightPrenatal DiagnosisGestational AgeFetusPrenatal CareFetal Growth RetardationPregnancy Trimester, ThirdPlacentaWeight GainFetal MacrosomiaEmbryonic and Fetal DevelopmentBiometryWeight LossInfant, NewbornLitter SizePregnancy, AnimalOrgan SizeMaternal-Fetal ExchangePregnancy Trimester, SecondFetal Nutrition DisordersMolecular WeightUmbilical ArteriesPregnancy OutcomeAnthropometryAmniotic FluidFetal MonitoringAbnormalities, Drug-InducedMaternal ExposureFetal ResorptionFetal DiseasesPregnancy ComplicationsUterusFetal DeathPolyhydramniosReproducibility of ResultsPlacental CirculationPregnancy, TwinTeratogensSheepFetal ViabilityCrown-Rump LengthOligohydramniosPredictive Value of TestsProspective StudiesAbdomenFetal BloodParityInfant, Small for Gestational AgeFetal HeartPregnancy, ProlongedParietal BonePregnancy in DiabeticsPregnancy, High-RiskInfant, Low Birth WeightUltrasonographyMaternal Nutritional Physiological PhenomenaMaternal AgeReference ValuesPlacental InsufficiencySensitivity and SpecificityTwinsThighRegression AnalysisFemurSwinePremature BirthAmniocentesisChorionic Villi SamplingRetrospective StudiesNutrition DisordersInfant, Premature