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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Dry for much of the day with possible brighter spells in the east. Outbreaks of rain will spread southwards later in the day.
Another rather cloudy and mild day. Although dry for most the odd spot of drizzle is possible, mainly over high ground.
D-Day veterans from the West Midlands were given France's highest honour today, 18 months after a pledge to award every living soldier.