Abortion, InducedAbortion, SepticPregnancyAbortion, VeterinaryAbortion, SpontaneousFetusAborted FetusFetal Tissue TransplantationAbortion, CriminalFederal GovernmentComplicityAbortion, TherapeuticResearchAbortion ApplicantsAbortion, MissedAbortion, HabitualDirected Tissue DonationLifePersonhoodPlacentaMaternal-Fetal ExchangeAbortion, ThreatenedBeginning of Human LifeAbortifacient AgentsGestational AgePregnant WomenAbortion, IncompleteResearch Support as TopicCivil RightsFetal ResearchAbortifacient Agents, SteroidalEthics, ResearchGovernment RegulationResearch DesignFetal DeathResearch PersonnelAbortion, EugenicPregnancy Trimester, FirstPregnancy, AnimalLegislation, MedicalTherapeutic Human ExperimentationMisoprostolNontherapeutic Human ExperimentationAbortifacient Agents, NonsteroidalAmniotic FluidFetal ResorptionEthics, MedicalNursing ResearchPregnancy, UnplannedFetal DiseasesFinancing, GovernmentHealth Services ResearchSocial Control, FormalMoral ObligationsPlacenta DiseasesPregnancy, UnwantedBrain Tissue TransplantationState GovernmentExtraembryonic MembranesHydrops FetalisAdvisory CommitteesVacuum CurettageTranslational Medical ResearchGovernment AgenciesPregnancy Complications, InfectiousGenetic ResearchPregnancy Trimester, SecondMoralsLiverInformed ConsentTissue DistributionChorionic VilliSterilization, ReproductiveEmbryonic and Fetal DevelopmentMinorsUnited StatesFetal WeightContraceptionUterusAbortion, LegalFamily Planning ServicesTrophoblastsUnited States Government AgenciesLegislation as TopicHealth PolicyFetal Development