Mexico shocked by 9-year-old mother Mexico has been shocked by the story of a young girl who gave birth aged just 9 - one of the world's youngest ever mothers. The baby was born on January 27th, but authorities made the story public on Tuesday. Mother and baby seem to be healthy, but health workers say they will be following the case closely. Police are trying to track down the alleged father, a 17-year-old, with a view to bringing rape charges. Images.