MisoprostolMethotrexateAbortifacient Agents, NonsteroidalOxytocicsAdministration, IntravaginalAdministration, SublingualAbortifacient Agents, SteroidalAbortion, InducedVacuum CurettagePostpartum HemorrhageAbortion, IncompleteCervical RipeningAbortifacient AgentsMifepristonePregnancy Trimester, FirstPolyglutamic AcidDilatation and CurettageAntirheumatic AgentsUterine HemorrhageLabor, InducedPregnancyDilatationFolic Acid AntagonistsTetrahydrofolate DehydrogenaseHysteroscopyAlprostadilDrug Therapy, CombinationLabor Stage, ThirdAdministration, OralArthritis, RheumatoidAminopterinAntimetabolites, AntineoplasticTreatment OutcomeAnti-Inflammatory Agents, Non-SteroidalLeukemia L1210Reduced Folate Carrier ProteinAnti-Ulcer AgentsTrimetrexateOxytocinDouble-Blind MethodCervix UteriAdministration, BuccalFolic AcidProstaglandins E, SyntheticDiclofenacEndometritisAbortion, MissedMedicine, Tibetan TraditionalDrug Administration SchedulePregnancy Trimester, SecondMauritaniaClostridium sordelliigamma-Glutamyl HydrolaseErgonovineHome ChildbirthLeucovorinMenstruation-Inducing AgentsTetrahydrofolates