Embryo, MammalianEmbryonic DevelopmentEmbryo ImplantationBlastocystEmbryo, NonmammalianEmbryonic and Fetal DevelopmentChick EmbryoPregnancyEmbryo LossGene Expression Regulation, DevelopmentalYolk SacMorulaFertilization in VitroGerm LayersBlastomeresDeciduaTrophoblastsIn Situ HybridizationGastrulaZygoteUterusCochlear ImplantationEmbryo Implantation, DelayedParthenogenesisEctodermChimeraCulture TechniquesTeratogensCleavage Stage, OvumTime FactorsFetal DeathGenes, LethalEndodermMorphogenesisOocytesMice, Inbred CBACloning, OrganismAbnormalities, Drug-InducedPregnancy, AnimalNuclear Transfer TechniquesMice, Inbred ICRMesodermPlacentaRNA, MessengerCell DifferentiationMice, Inbred C57BLEmbryo TransferMolecular Sequence DataCryopreservationMice, Inbred StrainsGestational AgeEmbryo Culture TechniquesEmbryo DispositionCochlear ImplantsExtraembryonic MembranesPregnancy RateBase SequenceLens Implantation, IntraocularZebrafishProsthesis DesignTreatment OutcomeImmunohistochemistryGene ExpressionBody PatterningTranscription FactorsSingle Embryo TransferEndometriumPolyploidySperm Injections, IntracytoplasmicStem CellsLitter SizeEctogenesisGenomic ImprintingEmbryo ResearchCrosses, GeneticMice, Mutant StrainsProgesteronePhenotypeMice, TransgenicCulture MediaPacemaker, ArtificialFertilityAmino Acid SequenceEmbryonic Stem CellsHomozygoteZebrafish ProteinsStentsHomeodomain ProteinsCell CountFetal ViabilityDNA-Binding ProteinsReverse Transcriptase Polymerase Chain ReactionHistocytochemistryFertilizationXenopus ProteinsCell DivisionMice, KnockoutPreimplantation DiagnosisSeedsPregnancy Outcome