article_snippet.sent: Betting on the royal baby's date of birth has also been hotting up, with the 18th, 19th and 20th April the most popular choices - even though the  official due date is the 25th.
highlights_snippet.sent: Favourite potential birth dates include the 18th, 19th and 20th April .
  
highlights_snippet.sent: The Duchess of Cambridge's official due date is the 25th April .
  