MifepristoneAbortifacient Agents, SteroidalHormone AntagonistsMisoprostolAbortifacient Agents, NonsteroidalContraceptives, Postcoital, SyntheticAbortifacient AgentsAbortion, InducedContraceptives, Oral, SyntheticMenstruation-Inducing AgentsLuteolytic AgentsLevonorgestrelAdministration, IntravaginalNorpregnadienesProgesteroneReceptors, GlucocorticoidEndometriumContraceptives, PostcoitalUterine HemorrhageLuteal PhaseProgestinsContraception, PostcoitalContraceptive Agents, FemalePregnancyMenstruationGonanesCytostatic AgentsReceptors, ProgesteroneLabor Stage, FirstDrug Administration SchedulePregnancy Trimester, FirstAdministration, SublingualMenstrual CyclePregnanediolDanazolOvulation InhibitionDrug Therapy, CombinationMegestrolTreatment OutcomeMetrorrhagiaAlcohol-Induced Disorders, Nervous SystemEmbryo ImplantationVacuum CurettageGlucocorticoidsContraceptives, Postcoital, HormonalDexamethasoneNorgestrelFallopian TubesAlgestoneOxytocicsAdministration, OralAbortion, LegalCorticosteronePessariesMenorrhagiaEthinyl EstradiolDouble-Blind MethodClostridium sordelliiDose-Response Relationship, DrugLeiomyomaAntineoplastic Combined Chemotherapy ProtocolsReceptors, MineralocorticoidDecidua