Cloning, OrganismNuclear Transfer TechniquesEmbryo, MammalianEmbryo ImplantationEmbryo, NonmammalianBlastocystChick EmbryoEmbryonic DevelopmentBlastomeresEmbryo ResearchFertilization in VitroEmbryonic and Fetal DevelopmentClone CellsPregnancyEmbryo DispositionCryopreservationPersonhoodMolecular Sequence DataGene Expression Regulation, DevelopmentalCloning, MolecularBeginning of Human LifeBase SequenceZygoteEmbryo LossAmino Acid SequencePregnancy RateMorulaEmbryo Culture TechniquesEmbryo TransferCulture TechniquesPreimplantation DiagnosisEctogenesisOocytesCleavage Stage, OvumSingle Embryo TransferSperm Injections, IntracytoplasmicMosaicismLifeEmbryologyValue of LifeRNA, MessengerIn Situ HybridizationAnatomy, ArtisticTheologyIncubatorsFetal ViabilityZebrafishMorphogenesisMesodermResearch Embryo CreationDNA, ComplementaryPrenatal InjuriesEthylene GlycolGestational AgeGastrulaFetal ResearchVitrificationTime FactorsCell LineCryoprotective AgentsBody PatterningReproductive TechniquesMutationYolk SacSequence Homology, Amino AcidFertilizationAneuploidyCulture MediaTrophoblastsDNAPregnancy OutcomeMoralsCell DifferentiationTranscription FactorsHomeodomain ProteinsPhenotypeHuman CharacteristicsGene ExpressionGerm LayersZona PellucidaNotochordFetusEctodermZebrafish ProteinsTranscription, GeneticGamete Intrafallopian TransferPolymerase Chain ReactionEmbryonic Stem CellsCell NucleusNucleic Acid HybridizationTotipotent Stem CellsImmunohistochemistryFallopian TubesChromosome AberrationsEndometriumSequence Analysis, DNAXenopus ProteinsSeedsPropylene GlycolDrosophila