PregnancyEmbryo, MammalianPregnancy OutcomeEmbryo ImplantationPregnancy ComplicationsBlastocystBlastomeresEmbryo ResearchPregnancy, AnimalFertilization in VitroEmbryonic DevelopmentPregnancy RateEmbryo, NonmammalianEmbryonic and Fetal DevelopmentChick EmbryoPregnancy, EctopicPregnancy Trimester, FirstPersonhoodEmbryo TransferBeginning of Human LifeCryopreservationEmbryo DispositionPregnancy Trimester, ThirdEmbryo Culture TechniquesGestational AgePregnancy, MultiplePregnancy Complications, CardiovascularPregnancy TestsPregnancy TrimestersPregnancy in DiabeticsSperm Injections, IntracytoplasmicPreimplantation DiagnosisPregnancy, TubalZygotePregnancy Trimester, SecondGene Expression Regulation, DevelopmentalCulture TechniquesLifeValue of LifePregnancy Complications, NeoplasticMosaicismPregnancy in AdolescenceAnatomy, ArtisticTheologyEctogenesisMorulaPregnancy Complications, InfectiousIncubatorsAbortion, SpontaneousEmbryologyTrophoblastsSingle Embryo TransferReproductive TechniquesOocytesFetusPregnancy ProteinsFetal ViabilityCloning, OrganismPregnancy, High-RiskPlacentaFetal ResearchPrenatal InjuriesPregnancy, UnplannedPregnancy, UnwantedResearch Embryo CreationEthylene GlycolEndometriumEmbryo LossFetal DeathInfant, NewbornInfertility, FemaleVitrificationReproductive Techniques, AssistedAneuploidyMoralsTime FactorsCryoprotective AgentsPregnancy Complications, HematologicCleavage Stage, OvumFertilizationUterusGamete Intrafallopian TransferPregnancy, TwinHuman CharacteristicsUltrasonography, PrenatalPregnancy, ProlongedPre-EclampsiaYolk SacIn Situ HybridizationFallopian TubesCongenital AbnormalitiesPregnancy MaintenanceZona PellucidaMesodermAbortion, InducedGerm LayersMorphogenesisCulture MediaPregnancy, AbdominalCatholicism