In Vitro Oocyte Maturation TechniquesOocytesFertilization in VitroEmbryo Culture TechniquesFertilizationOogenesisEmbryo TransferSpermatozoaSperm-Ovum InteractionsOvumPregnancyPregnancy RateSperm Injections, IntracytoplasmicMeiosisZygoteInfertility, FemaleOvulation InductionZona PellucidaBlastocystOocyte RetrievalEmbryonic DevelopmentCumulus CellsCryopreservationOvarian FollicleFollicular FluidSperm MotilityOocyte DonationCleavage Stage, OvumChorionic GonadotropinInfertilityParthenogenesisOvaryMicroinjectionsSperm CapacitationPregnancy OutcomeEmbryo ImplantationAcrosomeAcrosome ReactionEmbryonic and Fetal DevelopmentEmbryo, MammalianOvulationInfertility, MaleFollicle Stimulating HormoneMetaphaseReproductive Techniques, AssistedXenopus laevisStarfishFertilityLive BirthSemen Preservation