ZygoteMorulaBlastocystEmbryo, MammalianEmbryonic DevelopmentEmbryonic and Fetal DevelopmentCleavage Stage, OvumFertilization in VitroZygote Intrafallopian TransferEmbryo, NonmammalianEmbryo ImplantationPregnancyOocytesEmbryo TransferBlastomeresChick EmbryoEmbryo Culture TechniquesFertilizationGene Expression Regulation, DevelopmentalCloning, OrganismCryopreservationEmbryo Implantation, DelayedSperm Injections, IntracytoplasmicParthenogenesisFetal ViabilityCulture TechniquesFallopian TubesPhaeophytaEmbryo LossPregnancy RateTime FactorsVitrificationMicroinjectionsCochlear ImplantationCulture Media