Oocyte DonationInsemination, ArtificialInseminationOocytesInsemination, Artificial, HomologousInsemination, Artificial, HeterologousSex Determination ProcessesPregnancy RateOogenesisSpermatozoaEmbryo TransferFertilization in VitroPregnancyPregnancy OutcomeSperm CountCaenorhabditis elegansCryopreservationSpermatogenesisCaenorhabditis elegans ProteinsOvulation InductionInfertility, FemaleSemen PreservationInfertilityTissue DonorsFertilizationSperm Injections, IntracytoplasmicTurner SyndromeFamily Planning PolicyEmbryo ImplantationTissue and Organ ProcurementSperm HeadSperm TransportSperm CapacitationOocyte RetrievalSperm-Ovum InteractionsReproductive Techniques, AssistedSemenFertilityPregnancy, MultipleDirected Tissue DonationPrimary Ovarian InsufficiencyAdoptionDisclosurePregnancy Complications, CardiovascularAttitudeEstrus SynchronizationInfertility, MaleEstrus DetectionSperm MotilityProgesteroneIslamGonadotropin-Releasing HormoneSperm MaturationEndometriumPublic OpinionSuperovulationBirth RateOvarian Hyperstimulation SyndromeAcrosomeOvumBlood DonorsMaternal AgeUterine HemorrhageBrain DeathAltruismZona PellucidaTriptorelin PamoateAbortion, SpontaneousCattleTwinsLuteal PhaseOvulation DetectionSperm BanksPregnancy ComplicationsFertility Agents, FemaleClomipheneOvulationMeiosisSemen AnalysisEjaculationLiving DonorsBlastocystEstradiolFollicle Stimulating HormoneTissue and Organ HarvestingEpididymisDeathLitter SizeRetrospective StudiesDonor SelectionXenopus laevisChorionic GonadotropinGift GivingReproductive TechniquesPresumed ConsentCesarean SectionCryoprotective AgentsTime FactorsMicroinjectionsCopulation