Wickramasinghe, Dakshitha Praneeth Effect of vaginal delivery on anal sphincter function in Asian primigravida: a prospective study. [electronic resource] - International urogynecology journal Sep 2016 - 1375-81 p. digital Publication Type: Journal Article ISSN: 1433-3023 Standard No.: 10.1007/s00192-016-2986-8 doi Subjects--Topical Terms: AdultAnal Canal--diagnostic imagingDelivery, Obstetric--adverse effectsEndosonography--methodsFemaleFollow-Up StudiesGravidityHumansLogistic ModelsManometry--methodsMultivariate AnalysisObstetric Labor Complications--etiologyParturitionPregnancyProspective StudiesRisk FactorsSri LankaTime FactorsVaginaYoung Adult