| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | Prenatal checkups | 
                                    
                    
                        | 2 | Preventive health checkups | 
                                    
                    
                        | 3 | Family planning services | 
                                    
                    
                        | 4 | Other | 
                                    
                    
                        | 5 | None | 
                                    
                    
                        | Sysmiss |  | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.