Guideline No. 457: obstetrical anal sphincter injuries (OASIS) Part I: prevention, recognition, and immediate management
                                                J. obstet. gynaecol. Can;  (102719), 2024                                            
                                        
                                                                                    
                                                The purpose of this guideline is to promote recognition and preventive strategies for obstetrical anal sphincter injuries. Furthermore, it provides guidance on primary repair and immediate postpartum management for obstetrical anal sphincter tears in order to minimize further negative sequelae.
All patie...                                            
                                        
                                                                                    
                                        
                                                                                    
                                                                             
                        