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Summary
No abstract available in PubMed .
Keywords:
Abortion Rate--changesAbortion, InducedContraceptionContraception TerminationContraceptive AgentsContraceptive Agents, FemaleContraceptive Agents, ProgestinContraceptive Method SwitchingContraceptive Methods--side effectsContraceptive UsageDesogestrelDeveloped CountriesDiseasesEmbolismEuropeFamily PlanningFertility Control, PostconceptionGestodeneNorthern EuropeOral Contraceptives--side effectsThromboembolismThrombosisUnited KingdomVascular Diseases