A mother who had the same condition as the Duchess of Cambridge says the illness is debilitating.
Sara Hannak from Belper suffered from hyperemesis gravidarum during her first and second pregnancy.
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A cloudy and mild day with outbreaks of rain at times, which could be heavier in the morning.
The extension will run through Dudley to the DY5 Enterprise Zone at Brierley Hill and is estimated will create 7,000 jobs.
Outbreaks of rain will remain throughout the morning but it will start to dry up as the day progresses - remaining mild.