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.
More top news
It will be cloudy and mild with some brightness today but rain will move in overnight, becoming heavier tomorrow afternoon.
Tennis star Pat Cash, TV presenter Kevin McCloud and Bristol Mayor George Ferguson have helped plant a community orchard in Bristol.
Bob Crampton has the Thursday weather.