MifepristoneAbortifacient Agents, SteroidalHormone AntagonistsMisoprostolAbortifacient Agents, NonsteroidalContraceptives, Postcoital, SyntheticAbortifacient AgentsAbortion, InducedContraceptives, Oral, SyntheticMenstruation-Inducing AgentsLuteolytic AgentsLevonorgestrelAdministration, IntravaginalNorpregnadienesReceptors, GlucocorticoidEndometriumProgesteroneContraceptives, PostcoitalUterine HemorrhageLuteal PhaseContraception, PostcoitalProgestinsContraceptive Agents, FemaleGonanesCytostatic AgentsMenstruationPregnancyReceptors, ProgesteroneLabor Stage, FirstPregnancy Trimester, FirstAdministration, SublingualPregnanediolOvulation InhibitionMenstrual CycleDanazolMegestrolAlcohol-Induced Disorders, Nervous SystemVacuum CurettageEmbryo ImplantationMetrorrhagiaContraceptives, Postcoital, HormonalFallopian TubesAlgestoneGlucocorticoidsNorgestrelOxytocicsAbortion, LegalMenorrhagiaCorticosteronePessariesClostridium sordelliiDexamethasoneEthinyl EstradiolLeiomyomaReceptors, Mineralocorticoid