AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceHealth CareGeographicals
Contraceptives, OralContraceptives, PostcoitalContraceptives, Postcoital, HormonalContraceptives, Oral, CombinedContraceptives, Oral, HormonalContraceptives, Oral, SyntheticEthinyl EstradiolCoitusContraceptive AgentsMetrorrhagiaContraceptive Agents, FemaleMenstruation-Inducing AgentsMestranolContraceptives, Postcoital, SyntheticNorgestrelUterine HemorrhageDesogestrelNorethindroneContraceptionLevonorgestrelContraceptive DevicesContraceptive Devices, FemaleContraception BehaviorContraception, PostcoitalIntrauterine DevicesEthynodiol DiacetateLynestrenolNorpregnenesNorethynodrelContraceptive Agents, MaleFamily Planning ServicesPregnancyMenstruationProgestinsEthinyl Estradiol-Norgestrel CombinationAndrostenesMenstrual CycleParityMegestrolPregnancy, UnplannedContraceptives, Oral, SequentialMedroxyprogesterone AcetateProgesterone CongenersSterilization, ReproductiveEstradiol CongenersVaccines, ContraceptiveMenstruation DisturbancesXanthurenatesEstrogensPregnancy, UnwantedRisk FactorsCase-Control StudiesSterilization, TubalReproductive HistoryOvulation InhibitionAbortion, InducedThromboembolismNorpregnadienesAge FactorsSpermatocidal AgentsMenarcheMenopauseVenous ThrombosisTime FactorsIntrauterine Devices, MedicatedIntrauterine Devices, CopperPyridoxineAmenorrheaContraception, ImmunologicDysmenorrheaChlormadinone AcetateTransdermal PatchThrombophlebitisAcne VulgarisDrug InteractionsCyproterone AcetateMedroxyprogesteroneSynthetic BiologyRiskContraceptive Devices, MaleHealth Knowledge, Attitudes, PracticeEstrogen Replacement TherapyPremenopauseHormone Replacement TherapyMegaloblastsSmokingPregnancy in AdolescenceBreast NeoplasmsSexual BehaviorOdds RatioLogistic ModelsQuestionnairesGenes, SyntheticOvarian NeoplasmsFertilityFactor VGonadal Steroid HormonesCohort StudiesCondomsUterine Cervical Neoplasms