PseudopregnancyMorulaEmbryo TransferBlastocystEmbryonic DevelopmentEmbryo, MammalianEmbryonic and Fetal DevelopmentCleavage Stage, OvumPregnancyEmbryo ImplantationZygoteFertilization in VitroFetal ViabilityOocytesBlastomeresFallopian TubesCloning, OrganismCorpus LuteumUterusDeciduaProgesteronePregnancy, AnimalParthenogenesisCulture TechniquesEmbryo, NonmammalianGene Expression Regulation, DevelopmentalMice, Inbred StrainsNuclear Transfer TechniquesChick EmbryoCorpus Luteum MaintenanceDinoprostEndometriumEmbryo Culture TechniquesTime FactorsPregnancy MaintenanceCattleProstaglandins FCryopreservationEstrusLuteolysisCulture MediaEmbryo Implantation, DelayedMice, Inbred ICROvaryRabbitsEstradiolRNA, MessengerLuteal Cells20-alpha-Dihydroprogesterone20-Hydroxysteroid DehydrogenasesChorionic GonadotropinProlactinChimeraCochlear ImplantationCells, CulturedEmbryo LossVitrificationEstrous CycleMetrial GlandLens Implantation, IntraocularSwineMice, Inbred CBAPregnancy RateMice, Inbred C57BLMicroinjectionsLuteal PhaseTrophoblastsTreatment OutcomeSperm Injections, IntracytoplasmicOvariectomyLuteinizing HormoneLitter SizeHysterectomyTissue PreservationFertilizationPlacentaProstaglandins EPacemaker, Artificial