BlastocystEmbryonic DevelopmentMorulaEmbryo, MammalianEmbryo ImplantationZygoteEmbryonic and Fetal DevelopmentPreimplantation DiagnosisPregnancyOocytesGene Expression Regulation, DevelopmentalEmbryo, NonmammalianBlastomeresCleavage Stage, OvumChick EmbryoFertilization in VitroEmbryo Culture TechniquesEmbryo TransferEctogenesisCryopreservationEmbryo Implantation, DelayedEmbryo LossGastrulaCulture TechniquesSperm Injections, IntracytoplasmicBlastocyst Inner Cell MassIn Situ HybridizationCloning, OrganismPregnancy RateParthenogenesisNuclear Transfer TechniquesAneuploidyUterusRNA, MessengerMice, Inbred ICRSuperovulationTime FactorsFertilizationEctoderm