Kate Middleton's pregnancy with Prince George was leaked after she was hospitalised with a rare type of acute morning sickness, a royal expert has claimed.The Duchess of Cambridge spent several nights in hospital in 2012 after suffering with hyperemesis gravidarum while pregnant with her and William's firstborn.Buckingham Palace is said to have made the announcement before she had reached the 12 weeks mark to calm public concerns about her heath and prevent a potential media frenzy.Royal commentator Ashley Pearson said the decision to announce the pregnancy early was designed to stop the spread of speculation.Appearing in the 2017 documentary Kate Middleton: Working Class to Windsor, Pearson said: "Kate was forced to announce prior to being.
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