AneuploidyChromosomal InstabilityIn Situ Hybridization, FluorescencePreimplantation DiagnosisChromosome AberrationsChromosome SegregationKaryotypingPloidiesTrisomyChromosome DisordersChromosomes, Human, Pair 18MosaicismDiploidyAbnormal KaryotypePolyploidyChromosomes, HumanNondisjunction, GeneticSpermatozoaAneugensMeiosisPolar BodiesChromosomes, Human, XDown SyndromeCentrosomeMitosisMad2 ProteinsKaryotypePregnancyChromosomes, Human, Pair 13Sex ChromosomesSpindle ApparatusMaternal AgeChromosomes, Human, YGenomic InstabilityChromosomes, Human, Pair 21ChromosomesInfertility, MaleXYY KaryotypePrenatal DiagnosisMetaphaseKlinefelter SyndromeY ChromosomeCytogenetic AnalysisSex Chromosome AberrationsDNA, NeoplasmCytogeneticsPrimed In Situ LabelingAurora KinasesOligospermiaSpectral KaryotypingMaternal Serum Screening TestsSperm Injections, IntracytoplasmicOocytesM Phase Cell Cycle CheckpointsUltrasonography, PrenatalPregnancy Trimester, FirstAurora Kinase AAbortion, SpontaneousFlow CytometryChromatidsFetal DiseasesAmniocentesisKinetochoresImage Cytometryp-FluorophenylalanineCell Transformation, NeoplasticCell Cycle ProteinsGenetic TestingNeoplasmsTetrasomyComparative Genomic HybridizationX ChromosomeNuchal Translucency MeasurementCentromereBlastomeresGene DosageChromosomes, Human, Pair 12HaploidySex Chromosome DisordersDemecolcineTranslocation, Genetic