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ReproductionReproductive MedicineReproductive TechniquesReproductive Techniques, AssistedPreimplantation DiagnosisInfertilityFertilityPregnancyFertilization in VitroSocieties, MedicalSperm CountSemenSperm HeadAbortion, SpontaneousEuropeInfertility, FemaleSperm CapacitationEmbryo ImplantationPregnancy RatePregnancy OutcomeSpermatozoaEmbryo TransferReproduction, AsexualSperm MaturationSperm Injections, IntracytoplasmicFertilizationSperm-Ovum InteractionsSperm TransportInfertility, MaleAcrosomeSperm MidpieceBasic Reproduction NumberSemen PreservationSperm BanksEpididymisTestisSemen AnalysisSexual Behavior, AnimalZona PellucidaCryopreservationOvumEjaculationOligospermiaSperm WhaleBiological EvolutionOocytesInsemination, ArtificialSeminal Plasma ProteinsSeasonsParthenogenesisSexOvipositionAsthenozoospermiaLongevityLitter SizeSex RatioInseminationSexual MaturationAzoospermiaEgg ProteinsSea UrchinsGenitalia, MaleOvaryProtaminesClutch SizeOviparityPosthumous ConceptionModels, BiologicalDaphniaBreedingFallopian TubesCopulationPopulation DynamicsGametogenesisCattleMolecular Sequence DataSpecies SpecificityMeiosisApomixisGonadotropin-Releasing HormoneFlowersGonadsPollenTime FactorsSelection, GeneticVitellogenesisKisspeptinsGenitalia, FemaleOvulePhotoperiodCryoprotective AgentsSocial DominanceWolbachiaSurrogate MothersZygoteDiploidySeminal Vesicle Secretory ProteinsRotiferaTestosteroneEmbryonic Development