Embryo TransferSperm Injections, IntracytoplasmicFertilization in VitroSingle Embryo TransferPregnancy RateEmbryo ImplantationPregnancyCryopreservationEmbryo, MammalianPregnancy, MultiplePregnancy OutcomeBlastocystInfertilityLive BirthInfertility, FemaleOvulation InductionCleavage Stage, OvumEmbryo, NonmammalianReproductive Techniques, AssistedTwinsReproductive TechniquesChick EmbryoOocyte DonationZygote Intrafallopian TransferOocytesEmbryonic DevelopmentAbortion, SpontaneousEmbryonic and Fetal DevelopmentBlastomeresEmbryo Culture TechniquesSpermatozoaChorionic GonadotropinPreimplantation DiagnosisBirth RateFertilizationInfertility, MaleOocyte RetrievalOvarian Hyperstimulation SyndromeMenotropinsMorulaGene Transfer TechniquesVitrificationUterusFallopian Tube DiseasesEndometriumMicroinjectionsEmbryo LossOligospermiaMaternal AgeZona PellucidaZygoteInsemination, ArtificialPregnancy, TwinCloning, OrganismPregnancy Reduction, MultifetalRetrospective StudiesNuclear Transfer TechniquesPregnancy, EctopicTime FactorsTripletsSuperovulationBuserelinMicromanipulationFollicle Stimulating HormoneCulture TechniquesProgesteroneFreezingGene Transfer, HorizontalTissue and Organ HarvestingFertility Agents, FemaleCatheterizationLuteal PhaseGonadotropin-Releasing HormoneUltrasonographyMultiple Birth OffspringTwinning, MonozygoticGene Expression Regulation, DevelopmentalFollicular FluidOvaryPregnancy, TubalFallopian TubesSurrogate MothersIncubatorsChorionic Gonadotropin, beta Subunit, HumanEstradiolProspective StudiesNafarelinTreatment OutcomeCongenital AbnormalitiesPregnancy, AnimalLabor Stage, FirstSperm RetrievalCattleFollicle Stimulating Hormone, HumanSuctionTriptorelin PamoateLitter SizeQuadrupletsPregnancy TestsTwins, Monozygotic