title: Obstetric perineal trauma.
authors: Jan E
authors: JE
authors: Dickinson
mesh_terms: D001003:Anal Canal / Q000293:injuries*; D005260:Female; D014943:Global Health; D006801:Humans; D007744:Obstetric Labor Complications / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control; D010502:Perineum / Q000293:injuries*; D011247:Pregnancy; D012307:Risk Factors