Via the BBC:

Pregnant women and those trying for a baby should avoid alcohol completely, according to new government advice. It replaces existing advice that one to two units such as a couple of glasses of wine per week is acceptable….The Royal College of Obstetricians and Gynaecologists says there is no evidence that a couple of units once or twice a week will do any harm to the baby. The Department of Health said the revision was not based on new scientific evidence but was needed to help ensure that women did not underestimate the risks to their baby.

Put another way, women cannot be trusted with facts. Well, given that Blair has never believed in trusting the British people with the facts, his government is at least being consistent, but really…