AneuploidyChromosomesChromosome MappingChromosome AberrationsChromosomes, Human, Pair 21Chromosomes, Human, XChromosome DisordersChromosomes, Human, Pair 18Chromosomes, Human, Pair 13Chromosomes, HumanX ChromosomeIn Situ Hybridization, FluorescenceChromosomes, Human, YSex ChromosomesSex Chromosome DisordersTrisomyKaryotypingChromosome BandingPrenatal DiagnosisChorionic Villi SamplingChromosomes, Human, Pair 1Polar BodiesPreimplantation DiagnosisChromosomes, BacterialChromosome SegregationChromosomes, Human, Pair 7Chromosomes, Human, Pair 11Chromosomes, Human, Pair 17AmniocentesisChromosomes, Human, Pair 6Chromosome DeletionChromosomes, Human, Pair 9Chromosomes, PlantKlinefelter SyndromeSex Chromosome AberrationsChromosomes, FungalDiploidyChromosomes, Human, 6-12 and XMosaicismChromosomes, Human, Pair 2Chromosomes, Human, Pair 16Chromosomes, Human, Pair 22Down SyndromeChromosome PairingChromosomes, MammalianChromosomes, Human, Pair 4Chromosomes, Human, Pair 10PregnancyChromosomes, Human, Pair 8Chromosomes, Human, Pair 19Polymerase Chain ReactionSensitivity and SpecificityChromosomes, Artificial, BacterialMeiosisChromosomes, Human, Pair 5Chromosome PaintingChromosomes, Human, Pair 12Chromosomes, Human, 1-3Gene DosageChromosomes, Human, Pair 15Chromosomes, Human, Pair 14Chromosomes, Human, 16-18Chromosomes, Human, Pair 20Chromosomes, Artificial, YeastChromosomes, Human, 13-15Genetic LinkageTranslocation, GeneticComparative Genomic HybridizationLymphangioma, CysticFetal DiseasesChromosome BreakageAmniotic FluidChromosomes, Human, 21-22 and YMolecular Sequence DataDNA ProbesXYY KaryotypeTurner SyndromeGenetic MarkersRing ChromosomesSpermatozoaBase SequenceChromosome InversionInfertility, MaleChromosome PositioningMaternal AgeChromosomes, Human, 4-5DNAPregnancy Trimester, FirstCytogenetic AnalysisX Chromosome InactivationGenetic TestingCentromereLimit of DetectionFetusY ChromosomePregnancy-Associated Plasma Protein-AChromosomes, InsectChorionic VilliHybrid CellsChorionic Gonadotropin, beta Subunit, Human