SpermatozoaFertilizationFertilization in VitroSperm HeadSperm CountSperm-Ovum InteractionsSperm CapacitationOvumOocytesSperm Injections, IntracytoplasmicAcrosomeZona PellucidaInfertility, MaleSperm MaturationZygoteEmbryo TransferSperm TransportSea UrchinsSemen PreservationCryopreservationPregnancySemenPregnancy RateSperm MotilityFertilityEpididymisSperm MidpieceEgg ProteinsEmbryonic DevelopmentInfertility, FemaleSemen AnalysisBlastocystTestisMicroinjectionsCleavage Stage, OvumEjaculationSperm BanksInsemination, ArtificialAcrosome ReactionFertilizersOvulation InductionInfertilityOligospermiaVitelline MembraneFallopian TubesEmbryo ImplantationReproductive TechniquesPregnancy OutcomeEmbryonic and Fetal DevelopmentParthenogenesisUrochordataSeminal Plasma ProteinsStarfishMeiosisInseminationFollicular FluidOogenesisReproductive Techniques, AssistedReproductionOocyte RetrievalEmbryo, MammalianProtaminesEchinodermataCryoprotective AgentsOvulationOvuleCumulus CellsSexual Behavior, AnimalChorionic GonadotropinSperm WhaleOocyte DonationEmbryo Culture TechniquesOvarian FollicleCattleAzoospermiaFollicle Stimulating HormoneMenotropinsContraception, ImmunologicMicromanipulationAcrosinLive BirthOvaryAsthenozoospermiaSuperovulationPollen TubeIn Vitro Oocyte Maturation TechniquesCalciumPregnancy, MultipleOviductsTime FactorsCytoplasmMetaphaseSwineFallopian Tube DiseasesGerm Cells, PlantEmbryo, NonmammalianCopulationChromomycin A3IonophoresMolecular Sequence Data