Sara Hannak from Belper in Derbyshire suffered the same condition as the Duchess of Cambridge during both pregnancies.
But it was particularly severe during her second pregnancy with her daughter Elsie. She says it was extremely debilitating.
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Sunny skies from the start tomorrow, but a little cool for this time of year.
A cool night leading into a chilly start tomorrow, but it will be fairly bright.
Andrew Dodsworth is hoping that by "banking" his voice he will be able to keep some of his identity, if the condition causes his voice to go