Chromosome DisordersChromosome AberrationsPregnancyUltrasonography, PrenatalKaryotypingPregnancy OutcomePregnancy ComplicationsTrisomyAneuploidyPregnancy Trimester, FirstPregnancy, AnimalIn Situ Hybridization, FluorescenceSex Chromosome AberrationsCytogenetic AnalysisPregnancy, EctopicPregnancy Trimester, SecondTranslocation, GeneticAbortion, SpontaneousAbnormal KaryotypeChromosomes, Human, Pair 13AzoospermiaPregnancy, High-RiskDown SyndromeCytogeneticsPrenatal DiagnosisFetal DiseasesPregnancy Trimester, ThirdPregnancy RateMosaicismSex Chromosome Disorders of Sex DevelopmentGestational AgeChromosome BandingChromosomes, Human, Pair 18AmniocentesisPregnancy Complications, CardiovascularAbnormalities, MultiplePregnancy TrimestersKaryotypePregnancy TestsChromosome DeletionInfertility, MalePregnancy, MultiplePregnancy in DiabeticsInfant, NewbornPregnancy, TubalChromosomes, Human, YOligospermiaMaternal AgePreimplantation DiagnosisCongenital AbnormalitiesChromosomes, Human, Pair 8TriploidyPregnancy Complications, NeoplasticMonosomySpectral KaryotypingChromosomes, Human, XPregnancy in AdolescenceFertilization in VitroChromosomes, Human, Pair 14Chromosomes, Human, Pair 11Pregnancy Complications, InfectiousAbortion, HabitualFetal DeathAnemia, RefractoryXYY KaryotypeSperm Injections, IntracytoplasmicFetusChromosomes, Human, Pair 21Nuchal Translucency MeasurementNeckAbortion, EugenicChromosomes, HumanPregnancy ProteinsChromosomes, Human, Pair 1Chromosomes, Human, Pair 7Chromosomes, Human, Pair 12Pregnancy, UnplannedFetal HeartMyelodysplastic SyndromesCrown-Rump LengthChromosomes, Human, 6-12 and XPregnancy, UnwantedChromosomes, Human, Pair 17SpermatozoaChorionic Villi SamplingRetrospective StudiesTurner SyndromeReproductive Techniques, AssistedKlinefelter SyndromeChromosomes, Human, 4-5Embryo TransferPregnancy Complications, HematologicChorionic Gonadotropin, beta Subunit, HumanChromosome StructuresEmbryo ImplantationDiploidyAbortion, MissedChromosomes, Human, 1-3PloidiesPlacenta