Contraceptives, OralAdenomaContraceptives, Oral, CombinedContraceptives, Oral, HormonalContraceptives, Oral, SyntheticContraceptive AgentsEthinyl EstradiolContraceptive Agents, FemaleMestranolNorgestrelDesogestrelNorethindroneContraceptionLevonorgestrelContraceptive DevicesContraceptive Devices, FemaleContraception BehaviorLiverIntrauterine DevicesEthynodiol DiacetateLynestrenolNorethynodrelNorpregnenesContraceptive Agents, MaleFamily Planning ServicesMenstruationLiver DiseasesContraceptives, PostcoitalLiver NeoplasmsProgestinsAdenoma, PleomorphicEthinyl Estradiol-Norgestrel CombinationAndrostenesAdenoma, VillousAdenoma, Liver CellLiver TransplantationMenstrual CycleParityPregnancy, UnplannedMegestrolContraceptives, Oral, SequentialPregnancyLiver CirrhosisMedroxyprogesterone AcetateLiver RegenerationPituitary NeoplasmsSterilization, ReproductiveProgesterone CongenersMenstruation DisturbancesVaccines, ContraceptiveRisk FactorsAdrenocortical AdenomaEstradiol CongenersXanthurenatesCase-Control StudiesMicrosomes, LiverEstrogensFatty LiverPregnancy, UnwantedTime FactorsHepatocytesSterilization, TubalReproductive HistoryOvulation InhibitionAbortion, InducedMetrorrhagiaAdenoma, ChromophobeMitochondria, LiverAge FactorsColorectal NeoplasmsLiver Function TestsLiver Neoplasms, ExperimentalDrug-Induced Liver InjuryThromboembolismNorpregnadienesSpermatocidal AgentsContraception, PostcoitalMenarcheVenous ThrombosisMenopauseIntrauterine Devices, MedicatedAmenorrheaIntrauterine Devices, CopperGrowth Hormone-Secreting Pituitary AdenomaPyridoxineUterine HemorrhageDrug InteractionsDysmenorrheaRiskThrombophlebitisTransdermal PatchColonic PolypsContraception, ImmunologicChlormadinone AcetateCyproterone AcetateCarcinoma, HepatocellularAcne VulgarisACTH-Secreting Pituitary AdenomaMedroxyprogesteroneOdds Ratio