Gestational AgeInfant, Small for Gestational AgeInfant, NewbornBirth WeightPregnancyInfant, PrematurePremature BirthTh2 CellsInfant, Low Birth WeightTh1 CellsUltrasonography, PrenatalPregnancy OutcomeFetal Growth RetardationInfant, Premature, DiseasesReference ValuesFetal DevelopmentPregnancy Trimester, SecondPregnancy Trimester, ThirdFetusPregnancy ComplicationsRisk FactorsBody HeightProspective StudiesTh17 CellsObstetric Labor, PrematureCohort StudiesInfant, Very Low Birth WeightChild DevelopmentMaternal AgePregnancy Trimester, FirstCrown-Rump LengthIntensive Care Units, NeonatalAnthropometryInfant MortalityApgar ScoreFetal DeathBirth CertificatesBody Mass IndexAmniotic FluidFetal DiseasesRetrospective StudiesTerm BirthFetal HeartUmbilical ArteriesFetal MacrosomiaFetal WeightRetinopathy of PrematurityBirth OrderDelivery, ObstetricBirth RateTwinsPre-EclampsiaPlacentaRespiratory Distress Syndrome, NewbornFetal BloodGrowth ChartsBody WeightRegression AnalysisParityCongenital AbnormalitiesPrenatal Exposure Delayed EffectsCesarean SectionCross-Sectional StudiesMaternal ExposureStillbirthDevelopmental DisabilitiesPrenatal DiagnosisBronchopulmonary DysplasiaEmbryonic and Fetal DevelopmentIntensive Care, NeonatalInfant, Extremely Low Birth WeightInfant, Newborn, DiseasesHeadLogistic ModelsCase-Control StudiesObesityAge FactorsLinear ModelsFollow-Up StudiesPrenatal CareGrowthSex FactorsSensitivity and SpecificityMothersUmbilical CordPredictive Value of TestsInfant, Extremely PrematureTime FactorsNeonatal ScreeningOverweightRisk AssessmentPrevalenceMaternal-Fetal ExchangeFetal Membranes, Premature RuptureLongitudinal StudiesChorioamnionitisUnited StatesBiological MarkersOdds RatioFetal Organ Maturity