Police officers stand guard outside the King Edward VII hospital in central London on Dec. 4, 2012, where Kate, the Duchess of Cambridge, has been admitted with a severe form of morning sickness. She and her husband, Prince William, are expecting their first child, it was announced the previous day. (Associated Press)

Photo by: Sang Tan

Police officers stand guard outside the King Edward VII hospital in central London on Dec. 4, 2012, where Kate, the Duchess of Cambridge, has been admitted with a severe form of morning sickness. She and her husband, Prince William, are expecting their first child, it was announced the previous day. (Associated Press)