The duchess was being treated at King Edward VII's Hospital for an extreme form of morning sickness when Christian and Greig made their prank call pretending to be members of the Royal Family.

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She was receiving care at the hospital for an extreme form of morning sickness when Mr Christian and Ms Greig made the prank call.

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The duchess was being treated at King Edward VII's Hospital for an extreme form of morning sickness when Mr Christian and Ms Greig made their prank call pretending to be members of the Royal Family.

BBC: Michael Christian