UltrasonographyUltrasonography, Doppler, ColorVaginaUltrasonography, PrenatalUltrasonography, DopplerHysteroscopyEndosonographyUterine DiseasesUterine HemorrhageOvarian CystsPregnancyUltrasonography, Doppler, PulsedSensitivity and SpecificityOvarian DiseasesPolypsPregnancy, EctopicCervix UteriPregnancy Trimester, FirstProspective StudiesUterusHysterosalpingographyLeiomyomaPregnancy Trimester, SecondEndometriumAdnexal DiseasesGestational AgePlacenta PreviaPredictive Value of TestsUltrasonography, InterventionalObstetric Labor, PrematureEndometriosisUltrasonography, Doppler, DuplexCervical RipeningEndometrial NeoplasmsPalpationDilatation and CurettageUterine NeoplasmsCystsEndometrial HyperplasiaFallopian Tube DiseasesUterine Cervical IncompetenceImaging, Three-DimensionalLabor PresentationCervical Length MeasurementUltrasonography, MammaryAdnexa UteriFallopian Tube Patency TestsCA-125 AntigenInfertility, FemalePelvisFetal DiseasesCerclage, CervicalAbortion, IncompleteLaparoscopyBlood Flow VelocityObserver VariationPregnancy, High-RiskSuctionReproducibility of ResultsOvaryOvarian FollicleAbortifacient Agents, NonsteroidalContrast MediaSulfur HexafluorideUltrasonography, Doppler, TranscranialPregnancy, TubalPelvic Inflammatory DiseaseNatural Orifice Endoscopic SurgeryMenorrhagiaPulsatile FlowCesarean SectionOvarian NeoplasmsPostmenopauseGestational SacFetal HeartFertilization in VitroPregnancy Trimester, ThirdPreoperative CareFalse Negative ReactionsRetrospective StudiesColpotomyLabor, InducedVacuum CurettageHysterectomyPregnancy OutcomeTomography, X-Ray ComputedAbscessDouglas' PouchCrown-Rump LengthEchoencephalographyPregnancy, MultipleGenital Diseases, FemalePelvic PainRectumAbdomenMultiphasic ScreeningPregnancy Reduction, MultifetalAbortion, SpontaneousFallopian TubesGenital Neoplasms, Female