Abortion, IncompleteWatchful WaitingDilatation and CurettageAbortifacient Agents, NonsteroidalLabor, InducedAbortion, SpontaneousPregnancy Trimester, FirstPregnancySalpingostomyTerm BirthAbortion, MissedMisoprostolPregnancy, TubalPregnancy, EctopicPregnancy OutcomeAbortion, TherapeuticNumbers Needed To TreatPerinatal MortalityPostpartum HemorrhageFetal Membranes, Premature RuptureCesarean SectionPregnancy, ProlongedPrenatal CareInfant, PostmatureLabor OnsetInsemination, Artificial, HomologousLabor Stage, ThirdFathersOvarian CystsOxytocicsInfertilityGestational AgeDecision TreesHELLP SyndromeUltrasonography, PrenatalDermoid CystCurettageInfant, NewbornAdministration, IntravaginalPregnancy ComplicationsCryotherapyDelivery, ObstetricTertiary Care CentersStillbirthRemission, SpontaneousPregnancy Reduction, MultifetalChorionic Gonadotropin, beta Subunit, HumanInfertility, FemaleJaundice, NeonatalPregnancy RateFetal Growth RetardationFetal DeathMothersTreatment OutcomeTime FactorsFollow-Up StudiesRetrospective StudiesNetherlandsMaternal AgeColposcopyChorionic GonadotropinProspective StudiesPre-EclampsiaSurgical Procedures, ElectiveMethotrexateCosts and Cost AnalysisCost-Benefit AnalysisUltrasonography, Doppler, ColorFertilization in VitroDrug MonitoringPredictive Value of TestsResearch DesignLogistic ModelsRisk FactorsCohort StudiesRandomized Controlled Trials as TopicSensitivity and SpecificityRisk AssessmentQuality of LifePrognosis