ZygoteEmbryo, MammalianEmbryo, NonmammalianChick EmbryoBlastocystEmbryonic DevelopmentEmbryo ImplantationFertilization in VitroZygote Intrafallopian TransferPregnancyEmbryo Implantation, DelayedCleavage Stage, OvumEmbryonic and Fetal DevelopmentCochlear ImplantationEmbryo LossGene Expression Regulation, DevelopmentalBlastomeresFertilizationMorulaOocytesEmbryo TransferLens Implantation, IntraocularCryopreservationSperm Injections, Intracytoplasmic