MisoprostolAbortifacient Agents, NonsteroidalOxytocicsAdministration, IntravaginalAdministration, SublingualAbortifacient Agents, SteroidalAbortion, InducedVacuum CurettagePostpartum HemorrhageAbortion, IncompleteCervical RipeningMifepristoneAbortifacient AgentsPlacebo EffectDouble-Blind MethodPregnancy Trimester, FirstDilatation and CurettageUterine HemorrhageLabor, InducedPregnancyDilatationAlprostadilHysteroscopyLabor Stage, ThirdAdministration, OralAnti-Ulcer AgentsAnti-Inflammatory Agents, Non-SteroidalOxytocinTreatment OutcomeDiclofenacAdministration, BuccalCervix UteriProstaglandins E, SyntheticEndometritisAbortion, MissedMedicine, Tibetan TraditionalPregnancy Trimester, SecondDrug Therapy, CombinationMauritaniaClostridium sordelliiErgonovineHome ChildbirthCross-Over StudiesMenstruation-Inducing AgentsSuppositoriesStomach Ulcer