Abnormal KaryotypeKaryotypingKaryotypeChromosome AberrationsChromosome DisordersTrisomyAneuploidyCytogeneticsSex Chromosome AberrationsChromosome BandingTranslocation, GeneticUltrasonography, PrenatalMonosomyCytogenetic AnalysisIn Situ Hybridization, FluorescenceAbortion, SpontaneousAmniocentesisPregnancyAbnormalities, MultipleFetal DiseasesPregnancy Trimester, FirstMyelodysplastic SyndromesFetal DeathChromosomes, Human, Pair 18NeckLeukemia, Myeloid, AcuteDown SyndromeGestational AgePrenatal DiagnosisChromosomes, Human, Pair 8Pregnancy Trimester, SecondMaternal AgeInfertility, MalePregnancy OutcomeTurner SyndromeXYY KaryotypePrognosisLeukemiaImmunophenotypingMosaicismRetrospective StudiesChromosome PaintingInfant, NewbornIsochromosomesChromosomesKlinefelter SyndromeRing ChromosomesSpectral KaryotypingDiploidyChromosome DeletionChromosomes, Human, 6-12 and XSex ChromosomesChromosome InversionLeukemia, MyeloidChromosomes, Human, XChorionic Villi SamplingChromosomes, Human, 16-18Chromosomes, Human, YChromosomes, Human, Pair 13Nuchal Translucency Measurementfms-Like Tyrosine Kinase 3Chromosomes, Human, Pair 5Y ChromosomeChromosomes, Human, 21-22 and YDisorders of Sex DevelopmentGene RearrangementChromosomes, HumanX ChromosomeChromosomes, Human, Pair 21PolyploidyIntellectual DisabilityChromosomes, Human, Pair 7Chromosomes, PlantGonadal Dysgenesis, 46,XYNucleolus Organizer RegionChromosomes, Human, Pair 11MetaphaseChromosomes, Human, 4-5Sex ChromatinPloidiesChromosomes, Human, Pair 22Chromosomes, Human, 1-3Gonadal DysgenesisChromosome Mapping