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PubMed · 3470667

Pill method failures.

M J Sparrow
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Abstract

This is a study over a four year period from November 1981 to December 1985 documenting 163 cases of pill method failures in reliable pill takers. In over one third of these cases (36%) there were no predisposing factors. Significant factors which were associated with failure were diarrhoea and/or vomiting in 35%, and breakthrough bleeding on the combined pill in 21%. While there is controversy in the literature about the role of antibiotics in causing pill failure, this study found 23% of failures associated with antibiotic use. Two failures occurred on anticonvulsant medication. Recommendations are made for improved instructions to patients.

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Abortion, InducedAdolescentAdultAnti-Bacterial AgentsContraceptives, OralDiarrheaDrug InteractionsFemaleHumansMenstruation DisturbancesPregnancyRiskSmokingSurveys and QuestionnairesTime FactorsVomitingAcceptor CharacteristicsAcceptorsAge FactorsAntibioticsBehaviorBiologyBleedingClinical ResearchContraceptionContraception FailureContraceptive AgentsContraceptive Agents, FemaleContraceptive Methods--contraindicationsContraceptive Methods--side effectsContraceptive UsageDemographic FactorsDeveloped CountriesDeveloping CountriesDiseasesDrugsFamily PlanningFamily Planning ProgramsGastrointestinal EffectsGenital Effects, FemaleGenitaliaGenitalia, FemaleMenstruation DisordersMetrorrhagiaNauseaNew ZealandOceaniaOral Contraceptives--contraindicationsOral Contraceptives--side effectsPhysiologyPopulationPopulation CharacteristicsResearch MethodologySigns And SymptomsSocial BehaviorTreatmentUrogenital EffectsUrogenital SystemJournal Article

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BibTeXRIS

M J Sparrow. 1987-02-25. Pill method failures.. https://pubmed.ncbi.nlm.nih.gov/3470667/

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Abortion, Induced↗