Maternal AgeGestational AgeInfant, Small for Gestational AgePregnancyInfant, NewbornIncidenceBirth WeightInfant, PrematurePregnancy OutcomeUltrasonography, PrenatalDown SyndromePremature BirthBirth OrderInfant, Low Birth WeightPaternal AgePregnancy, High-RiskPregnancy ComplicationsPregnancy Trimester, FirstPregnancy Trimester, SecondRisk FactorsParityAmniocentesisCrown-Rump LengthFetal Growth RetardationPrenatal DiagnosisInfant, Premature, DiseasesProspective StudiesPregnancy Trimester, ThirdInfant MortalityCohort StudiesCongenital AbnormalitiesFetal DeathRetrospective StudiesObstetric Labor, PrematureFetusFetal DiseasesCesarean SectionBirth CertificatesFetal DevelopmentAbortion, SpontaneousInfant, Very Low Birth WeightTwinsStillbirthTrisomyPregnancy, MultipleDelivery, ObstetricApgar ScoreTerm BirthPrenatal CareAmniotic FluidPre-EclampsiaIntensive Care Units, NeonatalNuchal Translucency MeasurementMothersRegistriesPerinatal MortalityChromosome DisordersAneuploidyNondisjunction, GeneticLogistic ModelsChild DevelopmentFetal MacrosomiaCase-Control StudiesPlacentaChorionic Gonadotropin, beta Subunit, HumanRegression AnalysisFetal HeartGastroschisisPrenatal Exposure Delayed EffectsLive BirthMaternal ExposurePregnancy-Associated Plasma Protein-ARetinopathy of PrematurityInfant, Newborn, DiseasesFetal WeightReference ValuesHernia, UmbilicalRespiratory Distress Syndrome, NewbornFollow-Up StudiesOdds RatioPregnancy, TwinTime FactorsFetal BloodTripletsFetal Membranes, Premature RuptureFetal MortalityHeart Rate, FetalHypertension, Pregnancy-InducedBody HeightObstetric Labor ComplicationsDiabetes, GestationalUmbilical ArteriesPrevalenceFertilization in VitroBronchopulmonary DysplasiaEmbryonic and Fetal DevelopmentPregnancy in DiabeticsAbortion, InducedIntensive Care, NeonatalDevelopmental Disabilities