The current advice from the National Institute for Health & Clinical Excellence is for pregnant women not to drink during the first 3 months and then no more than one or two units a week.
But according to a new study carried out by Bristol University, drinking just one glass of wine a week during pregnancy can significantly reduce a child's IQ. Our Health Correspondent Rebecca Broxton has been finding out the implications.
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Stay cold and unsettled
Staying cold and unsettled
Heavy snow and freezing temperatures have stranded vehicles and closed a number of roads across Gloucestershire and Wiltshire.