American researcher said that women deal with the fish during pregnancy and breast-feed children for a longer period to help the development of cognitive and physical force of the newborn.
The researcher, Emily Oken of Harvard Medical School and the Center Pilgrim Health Care in the Harvard study of 25446 children born to mothers participating in a study carried out recently on this subject.
The study, published in the American Journal of Clinical Nutrition, children who deal with their mothers during pregnancy increases the fish they had the power and perception in comparison with their body, who eat less of this article.
The researcher advised pregnant women to take up three servings of fish a week or more because that will help them on the development and growth of children from both mental and physical well-being.
In this context, the U.S. federal authorities are advised pregnant women to choose the exact fish, warning that some material may contain mercury are harmful to health.