CordocentesisFetal DiseasesPrenatal DiagnosisUltrasonography, PrenatalPregnancyFetal BloodGestational AgePrenatal Exposure Delayed EffectsFetal Growth RetardationPrenatal CareInfant, NewbornMaternal ExposureAmniocentesisChorionic Villi SamplingAbortion, EugenicFetusPrenatal InjuriesPregnancy OutcomePregnancy ComplicationsPregnancy Trimester, SecondFetal Alcohol Spectrum DisordersMaternal-Fetal ExchangeFetal DevelopmentGenetic CounselingBirth WeightPregnant WomenPregnancy Trimester, ThirdAbnormalities, MultipleFetal DeathMothersMaternal AgeMaternal BehaviorAbortion, TherapeuticHeterozygote DetectionCongenital AbnormalitiesInfant, Low Birth WeightDown SyndromeAbortion, InducedMaternal-Fetal RelationsPregnancy Trimester, FirstPrenatal EducationChromosome DisordersPregnancy TrimestersGenetic TestingChild DevelopmentTrisomySeychellesPolyhydramniosPregnancy Complications, InfectiousMethylmercury CompoundsHydrops FetalisTestosterone PropionateFetal Nutrition DisordersPregnancy, High-RiskFetal HeartKaryotypingPerinatologyObstetricsInfant BehaviorHeart Defects, CongenitalBetamethasoneRisk FactorsAbnormalities, Drug-InducedCohort StudiesCocaineEmbryonic and Fetal DevelopmentPerinatal CareEthanolEnvironmental PollutantsMaternal Nutritional Physiological PhenomenaTwins, ConjoinedToxoplasmosis, CongenitalProspective StudiesSex CharacteristicsHydronephrosisVirilismMusculoskeletal Abnormalities