VaginaHysteroscopyOvarian CystsUltrasonography, PrenatalUltrasonographyUterine DiseasesUterine HemorrhagePregnancyAntigensUltrasonography, Doppler, ColorDouglas' PouchMultiphasic ScreeningCervix UteriCervical RipeningDilatation and CurettagePregnancy Trimester, FirstOvarian DiseasesUterine Cervical IncompetenceObstetric Labor, PrematureAdnexal DiseasesCervical Length MeasurementPregnancy, EctopicSensitivity and SpecificityPregnancy, TubalAdenomyosisEndometriumEndosonographyAbortion, IncompletePregnancy, High-RiskCA-125 AntigenAntigens, BacterialProspective StudiesUltrasonography, DopplerUterusPlacenta, RetainedEndometriosisPolypsGestational AgeAntigens, NeoplasmPregnancy Trimester, SecondAbortion, MissedAbortifacient Agents, NonsteroidalPlacenta PreviaEndometrial NeoplasmsAntigens, SurfaceCerclage, CervicalCesarean SectionOvarian NeoplasmsPredictive Value of TestsUterine NeoplasmsUltrasonicsLeiomyomaInfertility, FemaleLabor OnsetPregnancy Trimester, ThirdPostmenopauseImaging, Three-DimensionalOvarian FolliclePregnancy OutcomeAbortion, SpontaneousOvaryFertilization in VitroUltrasonic TherapyObserver VariationFetal HeartHysterectomyUltrasonography, InterventionalFollicular PhaseLaparoscopyHigh-Intensity Focused Ultrasound AblationUltrasonography, Doppler, PulsedEmbryo TransferMenstrual CycleReproducibility of ResultsMyometriumOvulation InductionAntigens, ProtozoanPreoperative CareHysterosalpingographyMicrobubblesChorionic GonadotropinAntigens, Polyomavirus TransformingPremenopauseHLA AntigensROC CurveFollicle Stimulating HormoneAntigens, CDAdnexa UteriAntigens, HelminthTransducersH-2 AntigensPalpationEndometrial HyperplasiaFallopian Tube DiseasesLabor PresentationPolycystic Ovary SyndromeRetrospective StudiesCarcinoembryonic AntigenFetal DiseasesAntigens, Viral, Tumor