Breech PresentationLabor PresentationCesarean SectionBacteriophage PRD1Delivery, ObstetricPregnancyBirth InjuriesMoxibustionParityFetal DistressApgar ScoreDNA PackagingPelvimetryTrial of LaborInfant, PostmatureObstetric Labor ComplicationsPregnancy OutcomeDystociaFetal MovementInfant, NewbornPeriostitisCryoelectron MicroscopyHematoma, Epidural, CranialMaternal AgeCesarean Section, RepeatGestational AgeLabor, ObstetricBirth WeightTectiviridaeHip Dislocation, CongenitalCapsidBirth OrderFrontal SinusitisVirus AssemblyPregnancy ComplicationsInfant MortalityAlopecia