PerineumEpisiotomyPainFournier GangreneRectal ProlapseSweat Gland DiseasesAnal CanalObstetric Labor ComplicationsUrethraEthylmercuric ChlorideChronic PainPain ManagementLabor Stage, SecondLacerationsAnus, ImperforateScrotumObstetric Surgical ProceduresApocrine GlandsPain ThresholdPelvic FloorRectal FistulaGroinPain, PostoperativeBack PainLow Back PainHypospadiasPain MeasurementPenisNeck PainPain, IntractableAbdominal PainNosePelvic PainRectumPain Perception