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Intrauterine DevicesPatents as TopicIntrauterine Devices, CopperContraceptive DevicesContraceptive AgentsContraceptives, OralContraceptive Devices, FemaleInventionsIntellectual PropertyIntrauterine Device MigrationContraceptives, Oral, CombinedContraceptive Agents, FemaleUterine PerforationIntrauterine Device ExpulsionIntrauterine Devices, MedicatedContraceptionPelvic Inflammatory DiseaseContraceptives, Oral, HormonalContraception BehaviorContraceptives, Oral, SyntheticSalpingitisHistory, 18th CenturyUterine HemorrhageFamily Planning ServicesPlasticsActinomycosisMenorrhagiaBiotechnologyForeign-Body MigrationHistory, 17th CenturyHistory, 20th CenturyHistory, 19th CenturyActinomycesDevice RemovalContraceptive Agents, MaleContraceptive Devices, MaleDesogestrelEthinyl EstradiolNorgestrelLevonorgestrelContraceptives, PostcoitalUterusPregnancyResearchMestranolNorethindroneEvolution, MolecularVaccines, ContraceptiveCopperPhylogenyPregnancy, UnplannedBiological EvolutionSterilization, ReproductiveDevice ApprovalPregnancy, UnwantedMedroxyprogesterone AcetateContraception, PostcoitalSpermatocidal AgentsMenstruationNorethynodrelAbortion, InducedEthynodiol DiacetateContraception, ImmunologicNorpregnenesEthinyl Estradiol-Norgestrel CombinationProgestinsEquipment DesignContraceptives, Oral, SequentialContraceptives, Postcoital, HormonalSterilization, TubalEquipment SafetyAndrostenesMenstrual CycleProgesterone CongenersParityHealth Knowledge, Attitudes, PracticeDrug ImplantsEquipment and SuppliesMenstruation DisturbancesPregnancy in AdolescenceMegestrolContraceptives, Postcoital, SyntheticSex EducationSpermatogenesis-Blocking AgentsOvulation InhibitionMedroxyprogesteroneFertility