MisoprostolAbortifacient Agents, NonsteroidalOxytocicsAdministration, IntravaginalAdministration, SublingualAbortifacient Agents, SteroidalAbortion, InducedVacuum CurettagePostpartum HemorrhageAbortion, IncompleteCervical RipeningMifepristoneAbortifacient AgentsPregnancy Trimester, FirstPregnancyDilatation and CurettageWomenWomen's HealthUterine HemorrhageLabor, InducedDilatationHysteroscopyAlprostadilLabor Stage, ThirdCervix UteriPregnancy Trimester, SecondAnti-Ulcer AgentsOxytocinAdministration, OralAbortion, SpontaneousHome ChildbirthEndometritisAnti-Inflammatory Agents, Non-SteroidalAdministration, BuccalAbortion, MissedProstaglandins E, SyntheticDiclofenacMedicine, Tibetan TraditionalPregnant WomenMauritaniaErgonovineClostridium sordelliiBattered WomenMenstruation-Inducing AgentsDouble-Blind Method