Breech PresentationVersion, FetalCesarean SectionDelivery, ObstetricLabor PresentationPregnancyFetal DistressPelvimetryInfant, PostmatureDystociaParityCesarean Section, RepeatPregnancy OutcomeObstetric Labor ComplicationsInfant, NewbornObstetrical ForcepsExtraction, ObstetricalVacuum Extraction, ObstetricalEpisiotomyNatural ChildbirthGestational AgeBirth WeightLabor, ObstetricBirth InjuriesUltrasonography, PrenatalLabor, InducedLacerationsPerineumLabor Stage, SecondTrial of LaborPostpartum HemorrhageLabor Stage, FirstApgar ScoreOxytocicsCervical RipeningAnalgesia, Obstetrical