Pictures: Kate Middleton Leaves Hospital (A Nation Lets Out Sigh Of Relief)
It gives the world's media the opportunity to step up their interest in the royal couple, who have rarely been out of the headlines since their famous wedding in 2011. Bookmakers have already begun offering odds on the baby-name of the future King or Queen. Traditional royal monikers such as George and Victoria are the market leaders at 10/1, though Alexander and John are also fancied.