Polar BodiesOocytesPreimplantation DiagnosisMeiosisMetaphaseParthenogenesisFertilizationStarfishCleavage Stage, OvumAneuploidyZygoteOogenesisFertilization in VitroSperm Injections, IntracytoplasmicBlastomeresSpindle ApparatusAsymmetric Cell DivisionOvumChromosomesIn Vitro Oocyte Maturation TechniquesBlastocystProto-Oncogene Proteins c-mosCytokinesisEmbryonic DevelopmentCumulus CellsMicroinjectionsGenes, mosSperm-Ovum InteractionsCell Nucleus Divisionnef Gene Products, Human Immunodeficiency VirusCytogenetic AnalysisInseminationChromatidsBivalviaPregnancyChromosomes, HumanEmbryo, MammalianNuclear Transfer TechniquesCell PolarityMicrotubulesMaturation-Promoting FactorSpermatozoaEmbryonic and Fetal DevelopmentMaternal AgeChromosomes, MammalianZona PellucidaHaploidyMicroscopy, PolarizationChromosome SegregationNocodazoleCytoplasmCytochalasin BCentrosomeUrochordataCyclin B1Protamine KinaseMicromanipulationCyclin BPregnancy RateMice, Inbred StrainsIn Situ Hybridization, FluorescenceDiploidyComparative Genomic HybridizationPloidiesDemecolcineGlycolsSuperovulationTubulinMultiplex Polymerase Chain ReactionOvarian FolliclePolymerizationTubulin ModulatorsActinsCryopreservationSecurinEmbryo Culture Techniques