BlastocystEmbryonic DevelopmentMorulaEmbryo, MammalianEmbryo ImplantationEmbryonic and Fetal DevelopmentZygotePregnancyPreimplantation DiagnosisGene Expression Regulation, DevelopmentalOocytesEmbryo, NonmammalianBlastomeresCleavage Stage, OvumEmbryo Culture TechniquesChick EmbryoFertilization in VitroEmbryo LossEmbryo TransferGastrulaCulture TechniquesEctogenesisIn Situ HybridizationParthenogenesisTrophoblastsYolk SacUterusGerm LayersCryopreservationEctodermDeciduaMice, Inbred ICREmbryo Implantation, DelayedMice, Inbred CBAEndodermCloning, OrganismNuclear Transfer TechniquesTime FactorsRNA, MessengerMice, Inbred StrainsMorphogenesisCochlear ImplantationSperm Injections, IntracytoplasmicChimeraMesodermMolecular Sequence DataMice, Inbred C57BLBlastocyst Inner Cell MassFetal DeathGenes, LethalTeratogensBase SequencePregnancy RateCell DifferentiationAneuploidyPregnancy, AnimalGene ExpressionSuperovulation