FertilityEmbryo, MammalianEmbryo, NonmammalianChick EmbryoFertility PreservationEmbryo ImplantationBlastocystPregnancyEmbryonic DevelopmentInfertilityFertilization in VitroInfertility, MaleInfertility, FemaleCryopreservationFertility AgentsEmbryo LossSpermatozoaBirth RateGene Expression Regulation, DevelopmentalEmbryonic and Fetal DevelopmentCleavage Stage, OvumSperm MotilityBlastomeresInsemination, ArtificialPregnancy RateOocytesEmbryo DispositionSperm CountReproductive BehaviorReproductionTestisFertilizationReproductive Techniques, AssistedZygoteSemenSpermatogenesisOvaryMorulaZebrafishSemen PreservationIn Situ HybridizationGastrulaBody PatterningTime FactorsEmbryo ResearchSingle Embryo TransferSperm Injections, IntracytoplasmicPlant InfertilityMolecular Sequence DataLitter SizeCulture TechniquesMorphogenesisEctogenesisPregnancy OutcomeFamily Planning ServicesCattleCloning, OrganismSemen AnalysisMesodermSeedsFertility Agents, FemaleOvulationPhenotypeMutationNuclear Transfer TechniquesEctodermSuperovulationZebrafish ProteinsUterusFamily Planning PolicyGerm CellsDrosophilaContraception, ImmunologicDrosophila ProteinsRNA, MessengerBase SequenceOvarian FollicleFetal ViabilityHomeodomain ProteinsCrosses, GeneticTranscription FactorsParthenogenesisOvumReproductive MedicineContraceptionAnimals, Genetically ModifiedEpididymisContraceptive AgentsXenopus ProteinsPrimary Ovarian InsufficiencyAmino Acid SequenceDrosophila melanogasterFertility Agents, MaleZona PellucidaSperm BanksOogenesisOvulation InductionEndodermTissue PreservationReproductive Techniques