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Summary
No abstract available in PubMed .
Keywords:
AmericasBiologyContraceptionContraceptive AgentsContraceptive Agents, FemaleContraceptive Agents, ProgestinContraceptive MethodsContraceptive Methods ChosenContraceptive UsageCritiqueDeveloped CountriesFamily PlanningLactationMaternal PhysiologyNorth AmericaNorthern AmericaOral ContraceptivesOral Contraceptives, Low-dosePhysiologyProgestins, Low-doseUnited States