An omega-3 rich diet and reduced consumption of meat that contains the so called bad fats during pregnancy may not offer children protection against obesity the results of a long-term study show. Administering a special diet rich in omega-3 fatty acids and low in arachidonic acid an omega-6 fatty acid to pregnant women neither resulted in children being slimmer nor fatter than their counterparts from the control group whose mothers had enjoyed a normal diet the findings showed. This special diet had no effect on the weight of the babies and toddlers said Professor Hans Hauner Head of the Else-Kroner-Fresenius