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Clinical Trials as TopicAlzheimer DiseaseFetusFetal Tissue TransplantationComplicityAborted FetusDirected Tissue DonationMaternal-Fetal ExchangePregnancyPlacentaLifePersonhoodAbortion, VeterinaryBeginning of Human LifeResearchResearch DesignGestational AgeFetal ResearchPregnancy, AnimalCivil RightsTherapeutic Human ExperimentationNontherapeutic Human ExperimentationPregnant WomenAbortion, InducedTreatment OutcomeAmniotic FluidBrain Tissue TransplantationClinical Trials, Phase III as TopicExtraembryonic MembranesResearch Support as TopicFetal DiseasesFetal ResorptionEthics, MedicalTissue DistributionHydrops FetalisSocial Control, FormalClinical Trials, Phase II as TopicLiverTime FactorsTranslational Medical ResearchRandomized Controlled Trials as TopicFetal WeightEthics, ResearchEmbryonic and Fetal DevelopmentMoral ObligationsResearch PersonnelFetal DeathAdvisory CommitteesClinical Trials, Phase I as TopicNeoplasmsUnited StatesAbortion, LegalInformed ConsentControlled Clinical Trials as TopicChorionic VilliPlacenta DiseasesDouble-Blind MethodFetal DevelopmentFederal GovernmentYolk SacMolecular Sequence DataAntibodies, MonoclonalAntineoplastic AgentsTrophoblastsNursing ResearchUterusBrainPatient SelectionPregnancy Complications, InfectiousFetal BloodRNA, MessengerBiomedical ResearchPregnancy Trimester, FirstSheepOrgan SpecificityFetal ViabilityProspective StudiesHealth Services ResearchRisk AssessmentBase SequenceMoralsInfant, NewbornGovernment RegulationMulticenter Studies as TopicDisease Models, AnimalPrenatal DiagnosisImmunohistochemistryGenomic ImprintingPilot ProjectsQuestionnairesKidneyEmbryo, MammalianRisk FactorsAntigens, NeoplasmDrug Administration SchedulePlacebosAmnionReproducibility of ResultsGene Expression Regulation, DevelopmentalClinical Protocols