Embryo Culture TechniquesCulture TechniquesBlastocystEmbryo, MammalianEctogenesisEmbryonic DevelopmentFertilization in VitroIncubatorsCulture MediaEmbryonic and Fetal DevelopmentTeratogensCleavage Stage, OvumZygoteEmbryo TransferPregnancyEmbryo ImplantationCell Culture TechniquesEmbryo, NonmammalianOrgan Culture TechniquesBacteriological TechniquesAbnormalities, Drug-InducedChick EmbryoOocytesNeurulationCryopreservationGene Expression Regulation, DevelopmentalBlastomeresSperm Injections, IntracytoplasmicFetal ViabilityPregnancy RateSingle Embryo TransferReproductive Techniques, AssistedMorulaGastrulaTime FactorsTissue Culture TechniquesYolk SacErgotamineCattleCyproheptadineCells, CulturedLive BirthBacteriaBloodEvaluation Studies as TopicPalateFallopian TubesPolymerase Chain ReactionMice, Inbred CBAMicrobiological TechniquesBacteria, AerobicBlastulaBatch Cell Culture TechniquesMice, Inbred StrainsPregnancy OutcomeCell DifferentiationMolecular Sequence DataColony Count, MicrobialXenopus ProteinsCongenital AbnormalitiesBlastocyst Inner Cell MassIn Situ HybridizationMesodermSensitivity and SpecificitySea UrchinsPharynxXenopus laevisFecesBase SequenceCell CountZebrafishNuclear Transfer TechniquesAgarCentrifugationCoffeaBody PatterningMice, Inbred C57BLEmbryo LossEctodermPreimplantation DiagnosisEmbryonic InductionMorphogenesisEndodermGestational AgeBacteroidesSpecimen HandlingPolar BodiesVitrificationFungiCloning, OrganismFluorescent Antibody TechniquePlacentaMicroinjectionsReagent Kits, DiagnosticHomeodomain ProteinsDNA PrimersCell DivisionXenopusMethodsCell Separation