In Denmark, one standard drink is equal to 12 grams of pure alcohol, compared with a unit of 7.9g in the UK.Five studies published in BJOG: An International Journal of Obstetrics and Gynaecology looked at the effects of alcohol on IQ, attention span, and functions such as planning, organisation and self-control in five-year-old children.They showed occasional binge drinking, or low to moderate wee