Blastocyst Inner Cell MassBlastocystSperm CountSperm HeadSperm CapacitationEar, InnerTrophoblastsEmbryonic DevelopmentMorulaSperm MaturationEmbryo Culture TechniquesEmbryo, MammalianOctamer Transcription Factor-3BlastomeresEmbryonic and Fetal DevelopmentSperm TransportSperm Injections, IntracytoplasmicSperm-Ovum InteractionsFertilizationEndodermEctodermZona PellucidaAcrosomeInfertility, MaleSperm MidpieceEmbryo ImplantationChimeraGerm LayersEmbryonic Stem CellsGene Expression Regulation, DevelopmentalPregnancySemenSperm BanksZygoteCleavage Stage, OvumGATA6 Transcription FactorSemen PreservationEpididymisParthenogenesisHair Cells, Auditory, InnerCryopreservationCell LineageOocytesEctogenesisTotipotent Stem CellsSemen AnalysisHMGB ProteinsCell CountCell DifferentiationTestisFibroblast Growth Factor 4Fertilization in VitroEmbryo TransferEjaculationFertilityNuclear Transfer TechniquesCell AggregationMice, Inbred StrainsSperm WhaleCulture TechniquesSOXF Transcription FactorsOligospermiaCattleFetal ViabilityCells, CulturedFallopian TubesCloning, OrganismMice, Inbred CBAStem CellsHomeodomain ProteinsMicroscopy, ElectronEmbryo Implantation, DelayedGrowth Differentiation Factor 3OvumOvotesticular Disorders of Sex DevelopmentSwineMice, Inbred ICRSOXB1 Transcription FactorsMolecular Sequence DataCulture MediaGenes, LethalMicroscopy, Phase-ContrastEmbryo LossMice, Inbred C57BLSeminal Plasma ProteinsMicroinjectionsAsthenozoospermiaX Chromosome InactivationProtaminesTime FactorsCell MembraneTranscription FactorsCell NucleusSea UrchinsGerm CellsImmunohistochemistryInsemination, ArtificialTeratomaMicroscopy, ConfocalCell Culture Techniques