Advice from the Health Education Board for Scotland (now NHS Health Scotland) is that light, occasional drinking during pregnancy (one or two units once or twice a week) is not likely to do any Heavy drinking is associated with miscarriage, and sometimes with serious effects on the baby s Some authorities recommend complete abstinence during pregnancy (the US National Institute on Alcohol Abuse and Alcoholism: ). Two studies have been identified which looked at brief interventions in the antenatal setting. One study, in women of childbearing age identified by screening as at-risk drinkers , compared giving the patient a booklet without additional advice with two 15 minute physician.