Guideline No. 398: progesterone for prevention of spontaneous preterm birth
                                                J. obstet. gynaecol. Can; 42 (6), 2020                                            
                                        
                                                                                    
                                                To assess the benefits and risks of progesterone therapy for women at increased risk of spontaneous preterm birth (SPB) and to make recommendations for the use of progesterone to reduce the risk of SPB and improve postnatal outcomes. To administer or withhold progesterone therapy for women deemed to be a...                                            
                                        
                                                                                    
                                        
                                                                                    
                                                                             
                        