Researchers suggest this could be enough to make a difference to the child's prospects, in the study that teased out a true relationship between moderate drinking in pregnancy and its affect on an unborn child.
While the damaging impact of heavy drinking on foetal development is well-known, studies of moderate drinking have given contradictory results, 'New Scientist' reported.
Researchers led by Ron Gray at the University of Oxford studied the effects of genetic mutations in alcohol dehydrogenase genes. These mutations slow the breakdown of alcohol.
Humans carry several dehydrogenase genes and differ in the number of mutations that they contain
