BlastocystEmbryo TransferCryopreservationFertilization in VitroPregnancy RateEmbryo ImplantationPregnancy, MultiplePregnancySperm Injections, IntracytoplasmicLive BirthEmbryo DispositionPregnancy OutcomeEmbryo, MammalianSingle Embryo TransferReproductive Techniques, AssistedEmbryo Culture TechniquesEmbryonic DevelopmentEmbryo, NonmammalianInfertilityEmbryo ResearchOocyte DonationChick EmbryoVitrificationCleavage Stage, OvumReligion and ScienceEmbryonic and Fetal DevelopmentOvulation InductionFreezingInfertility, FemaleMorulaTwinsBlastomeresBirth RateBeginning of Human LifeOocytesZygoteCloning, OrganismZygote Intrafallopian TransferPregnancy Reduction, MultifetalEmbryo LossNuclear Transfer TechniquesCulture TechniquesDirected Tissue DonationChorionic Gonadotropin, beta Subunit, HumanReproductive TechniquesGene Expression Regulation, DevelopmentalUterusBlastocyst Inner Cell MassPreimplantation DiagnosisZona PellucidaSuperovulationChorionic GonadotropinAbortion, SpontaneousEndometriumFetal ViabilityEctogenesisRetrospective StudiesFertilizationCattleTime FactorsParthenogenesisFallopian TubesEmbryo Implantation, DelayedMenotropinsGene Transfer TechniquesCulture MediaOvarian Hyperstimulation SyndromeTrophoblastsOocyte RetrievalInsemination, ArtificialProgesteroneFallopian Tube DiseasesMice, Inbred ICRSpermatozoaMicroinjectionsTwinning, MonozygoticPregnancy, AnimalMaternal AgeCryoprotective AgentsEctodermMicromanipulationDecision MakingPregnancy, EctopicIn Situ HybridizationMice, Inbred StrainsOvaryIncubatorsChimeraZebrafishGastrulaMolecular Sequence DataEstradiolBody PatterningBuserelinPregnancy, TwinPregnancy, TubalFollicle Stimulating HormoneFollicular FluidMultiple Birth OffspringCumulus Cells