Gestational AgeInfant, Small for Gestational AgeBirth WeightInfant, NewbornPregnancyTh2 CellsTh1 CellsInfant, PrematurePremature BirthInfant, Low Birth WeightUltrasonography, PrenatalFetal Growth RetardationPregnancy OutcomeTh17 CellsReference ValuesBody HeightRisk FactorsInfant, Premature, DiseasesFetal DevelopmentPregnancy Trimester, SecondProspective StudiesCohort StudiesPregnancy Trimester, ThirdBody Mass IndexPregnancy ComplicationsAnthropometryBirth RateChild DevelopmentFetusMaternal AgeGrowth ChartsBirth CertificatesObstetric Labor, PrematureBirth OrderBody WeightObesityInfant, Very Low Birth WeightRetrospective StudiesPregnancy Trimester, FirstInfant MortalityFetal DeathCross-Sectional StudiesCrown-Rump LengthFetal MacrosomiaApgar ScoreAge FactorsIntensive Care Units, NeonatalOverweightFetal WeightRegression AnalysisPrenatal Exposure Delayed EffectsGrowthCongenital AbnormalitiesSex FactorsParityMaternal ExposureDelivery, ObstetricFetal DiseasesLogistic ModelsUmbilical ArteriesCase-Control StudiesFollow-Up StudiesFetal BloodPrevalenceAmniotic FluidTerm BirthPredictive Value of TestsUnited StatesLinear ModelsPre-EclampsiaTime FactorsPlacentaCesarean SectionFetal HeartSensitivity and SpecificityRisk AssessmentRetinopathy of PrematurityTwinsDevelopmental DisabilitiesHeadLongitudinal StudiesBiological MarkersMothersRespiratory Distress Syndrome, NewbornAnimals, NewbornEmbryonic and Fetal DevelopmentOdds RatioStillbirthPrenatal DiagnosisInfant, Extremely Low Birth WeightWeight GainIntensive Care, NeonatalInfant, Newborn, DiseasesBronchopulmonary DysplasiaPrenatal CareNeonatal ScreeningUmbilical CordGrowth DisordersMaternal-Fetal ExchangeReproducibility of Results