AmniocentesisAbortion, SpontaneousAbortion, HabitualChorionic Villi SamplingAmniotic FluidPregnancyPrenatal DiagnosisPregnancy Trimester, SecondFetal DiseasesDown SyndromeMaternal AgePregnancy Trimester, FirstChromosome DisordersUltrasonography, PrenatalAbortion, ThreatenedPregnancy OutcomeCordocentesisPregnancy, High-Riskalpha-FetoproteinsAbortion, IncompleteGestational AgeRh IsoimmunizationKaryotypingChromosome AberrationsFetal DeathAbortion, InducedCongenital AbnormalitiesTest Anxiety ScaleEstriolChorioamnionitisTrisomyGenetic CounselingAbortion, MissedAbortion, EugenicCustodial CarePregnancy ComplicationsAneuploidyLymphangioma, CysticObstetric Labor, PrematureAbortion, TherapeuticSex Chromosome AberrationsChorionic VilliKaryotypeBiological DressingsFetal Membranes, Premature RuptureDilatation and CurettageGestational SacPregnancy, TwinPregnancy, MultiplePregnant WomenInfant, NewbornIatrogenic DiseaseErythroblastosis, FetalTwinsAmnionHistocompatibility, Maternal-FetalNeural Tube DefectsLive BirthFetal Organ MaturityPregnancy Complications, InfectiousFoot Deformities, CongenitalBlood Transfusion, IntrauterineProspective StudiesFreedomFetusSex Determination AnalysisInfertility, FemaleMosaicismFetofetal TransfusionPrenatal Care