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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A dry bright and sunny start for most on Saturday. Some scattered showers will develop inland through the late morning.
A cold and frosty start to Saturday, though with some sunny spells. Showers then breaking out by afternoon.
A police chief has admitted his force were wrong to try to keep the identity of a Polish sex offender secret.