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FetusFetal Tissue TransplantationComplicityAborted FetusResearchNational Institutes of Health (U.S.)Academies and InstitutesDirected Tissue DonationMaternal-Fetal ExchangePregnancyPlacentaLifePersonhoodBeginning of Human LifeAbortion, VeterinaryResearch Support as TopicInstitute of Medicine (U.S.)Research DesignFetal ResearchGestational AgeNational Cancer Institute (U.S.)Research PersonnelEthics, ResearchCivil RightsPregnancy, AnimalTherapeutic Human ExperimentationNursing ResearchNational Heart, Lung, and Blood Institute (U.S.)Nontherapeutic Human ExperimentationPregnant WomenAbortion, InducedTranslational Medical ResearchUnited StatesAmniotic FluidBrain Tissue TransplantationHealth Services ResearchExtraembryonic MembranesFetal DiseasesSocial Control, FormalAdvisory CommitteesEthics, MedicalFetal ResorptionHydrops FetalisGenetic ResearchNational Institute of Mental Health (U.S.)Tissue DistributionLiverFetal WeightMoral ObligationsFetal DeathEmbryonic and Fetal DevelopmentFederal GovernmentNational Institute for Occupational Safety and Health (U.S.)Informed ConsentAbortion, LegalChorionic VilliPlacenta DiseasesClinical Nursing ResearchFetal DevelopmentNational Institute of Allergy and Infectious Diseases (U.S.)Dental ResearchYolk SacCommunity-Based Participatory ResearchTrophoblastsBehavioral ResearchUterusRNA, MessengerGovernment RegulationMolecular Sequence DataPregnancy Trimester, FirstFetal BloodPregnancy Complications, InfectiousQualitative ResearchNational Institute of Neurological Disorders and StrokeBrainNational Institute on Aging (U.S.)Biomedical ResearchMoralsOrgan SpecificityTime FactorsSheepHistory, 20th CenturyBase SequenceHuman ExperimentationFetal ViabilityClinical Trials as TopicPrenatal DiagnosisGenomic ImprintingNeoplasmsImmunohistochemistryCooperative BehaviorTreatment OutcomeEmbryo, MammalianInfant, NewbornPolymerase Chain ReactionGene Expression Regulation, DevelopmentalKidneyHistory, 21st CenturyQuestionnairesTissue and Organ Procurement