TrisomyAbortion, HabitualAbortion, SpontaneousDown SyndromePregnancyPregnancy Trimester, FirstAbortion, ThreatenedKaryotypingAbortion, IncompleteChromosome DisordersChromosomes, Human, Pair 18Pregnancy OutcomeMaternal AgeChromosomes, Human, 16-18Abortion, MissedPrenatal DiagnosisChromosomes, Human, Pair 21Chromosome AberrationsChromosomes, Human, Pair 13MosaicismNuchal Translucency MeasurementUltrasonography, PrenatalAbnormalities, MultipleChorionic Gonadotropin, beta Subunit, HumanCrown-Rump LengthAneuploidyPregnancy Trimester, SecondDilatation and CurettageGestational SacChromosomes, Human, 13-15Nondisjunction, GeneticChromosomes, Human, 6-12 and XPregnancy, High-RiskFetal DiseasesAmniocentesisHistocompatibility, Maternal-FetalGestational AgePregnancy ComplicationsLive BirthChorionic Villi SamplingPregnancy-Associated Plasma Protein-ANasal BoneChromosomes, Human, 21-22 and YIn Situ Hybridization, FluorescenceChorionic VilliTranslocation, GeneticFetal DeathChromosome BandingDermatoglyphicsInfertility, FemaleAbortion, InducedInfant, NewbornChromosomes, Human, Pair 8MonosomyReceptors, Interleukin-8Congenital AbnormalitiesPregnancy RateAbnormal KaryotypeStillbirthUterine HemorrhageAbortion, TherapeuticChromosomes, Human, Pair 12Chromosomes, Human, 19-20Fertilization in VitroChromosomes, Human, 4-5Chromosomes, Human, Pair 7KaryotypeNeckCytogenetic AnalysisPreimplantation DiagnosisAbortifacient Agents, NonsteroidalBirth RateAntibodies, AntiphospholipidAntiphospholipid SyndromeEmbryo ImplantationMisoprostolCase-Control StudiesReproductive HistoryAborted FetusProspective StudiesRetrospective StudiesFetusVacuum CurettagePlacenta, RetainedChromosomes, Human, 1-3TrophoblastsReproductive Techniques, AssistedIntellectual DisabilityPaternal AgeDeciduaRisk FactorsEndometriumEmbryo TransferSyndromeHeart Rate, FetalPregnancy, EctopicPlacentaChromosomes, HumanUterusTriploidy