{"id":"who.who-whs4-154.tcd.annual","dataset_id":"who-whs4-154","indicator":"who-whs4-154","geography":"TCD","frequency":"annual","unit":"percent","start_period":"1997","end_period":"2015","org":"World Health Organization","original_indicator":"WHS4_154","url":"https://ghoapi.azureedge.net/api","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","geography_name":"Chad","region":"Sub-Saharan Africa ","observations":[{"period":"1997","value":14.8,"flags":""},{"period":"2004","value":17.8,"flags":""},{"period":"2010","value":23.1,"flags":""},{"period":"2015","value":31.0,"flags":""}],"indicator_name":"Antenatal care coverage - at least four visits","topic":"Health","source":"who","provenance":{"organization":"World Health Organization","original_indicator":"WHS4_154","url":"https://ghoapi.azureedge.net/api","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","license":"see source"}}