Oocyte DonationOocytesSex Determination ProcessesOogenesisEmbryo TransferFertilization in VitroCaenorhabditis elegansPregnancy RateSpermatogenesisCaenorhabditis elegans ProteinsSpermatozoaPregnancy OutcomeOocyte RetrievalPregnancyTissue DonorsTurner SyndromeFamily Planning PolicyTissue and Organ ProcurementCryopreservationSperm Injections, IntracytoplasmicInfertility, FemaleEmbryo ImplantationSperm CountSperm HeadOvulation InductionDirected Tissue DonationPrimary Ovarian InsufficiencySperm CapacitationInfertilityAdoptionDisclosureReproductive Techniques, AssistedInformation Storage and RetrievalPregnancy Complications, CardiovascularPregnancy, MultipleAttitudeIslamPublic OpinionSperm-Ovum InteractionsBrain DeathEndometriumFertilizationBlood DonorsUterine HemorrhageAltruismTriptorelin PamoateMental RecallOvarian Hyperstimulation SyndromeTwinsSperm MaturationBirth RateTissue and Organ HarvestingPregnancy ComplicationsMaternal AgeLiving DonorsGonadotropin-Releasing HormoneAbortion, SpontaneousLuteal PhaseSperm TransportMeiosisProgesteroneInfertility, MaleDeathDonor SelectionXenopus laevisAcrosomeGift GivingSperm RetrievalZona PellucidaPresumed ConsentCesarean SectionOvumSperm BanksSemen PreservationSperm MidpieceIn Vitro Oocyte Maturation TechniquesSemenMicroinjections