| Column | Type | Label | Description | 
          
        
        
          
          
            
  | Country | text | Country of residence at the end of pregnancy (9 digit geography code for Scotland). | Link | 
          
            
  | TimePeriod | text | Financial year of antenatal booking. Data for 2020/21 is shown separately for women booking for antenatal care before (2020/21a: date of booking 1 April 2020 to 27 September 2020 inclusive) and after (2020/21b: 28 September 2020 to 31 March 2021 inclusive) the change to the screening pathway. |  | 
          
            
  | TimePeriodStart | numeric | Start date of Time Period (Format: YYYYMMDD) |  | 
          
            
  | TimePeriodEnd | numeric | End date of Time Period (Format: YYYYMMDD) |  | 
          
            
  | ScreeningChanges2020 | text |  |  | 
          
            
  | PregnancyType | text | Flag indicating the data are for singleton pregnancies only (pregnancies involving one baby). |  | 
          
            
  | FirstLineTestType | text | First line screening test Type |  | 
          
            
  | HigherChanceDSOnly | numeric | Number of women with a higher chance result for Down's syndrome only from a first line screening test. |  | 
          
            
  | HigherChanceDSOnlyWithNIPT | text | Number of women with a higher chance result for Down's syndrome only from a first line screening test and have an NIPT result available. |  | 
          
            
  | HigherChanceDSOnlyWithNIPTQF | text | Qualifier for HigherChanceDSOnlyWithNIPT | Link | 
          
            
  | HigherChanceESPSOnly | text | Number of women with a higher chance result for Edwards' syndrome/Patau's syndrome only from a first line screening test. |  | 
          
            
  | HigherChanceESPSOnlyQF | text | Qualifier for HigherChanceESPSOnly | Link | 
          
            
  | HigherChanceESPSOnlyWithNIPT | text | Number of women with a higher chance result for Edwards' syndrome/Patau's syndrome only from a first line screening test and have an NIPT result available. |  | 
          
            
  | HigherChanceESPSOnlyWithNIPTQF | text | Qualifier for HigherChanceESPSOnlyWithNIPT | Link | 
          
            
  | HigherChanceDualDSandESPS | text | Number of women with dual higher chance result for both Down's syndrome and Edwards' syndrome/Patau's syndrome from a first line screening test. |  | 
          
            
  | HigherChanceDualDSandESPSQF | text | Qualifier for HigherChanceDualDSandESPS | Link | 
          
            
  | HigherChanceDualDSandESPSWithNIPT | text | Number of women with dual higher chance result for both Down's syndrome and Edwards' syndrome/Patau's syndrome from a first line screening test and have an NIPT result available. |  | 
          
            
  | HigherChanceDualDSandESPSWithNIPTQF | text | Qualifier for HigherChanceDualDSandESPSWithNIPT | Link |