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UGA study: Trans fats in moms’ diet hurts babies

A new UGA study suggests that mothers who consume a diet high in trans fats double the likelihood that their infants will have high levels of body fat.

Researchers, whose results appear in the early online edition of the European Journal of Clinical Nutrition, found that infants whose mothers consumed more than 4.5 grams of trans fats per day while breastfeeding were twice as likely to have high percentages of body fat, or adiposity, than infants whose mothers consumed less than 4.5 grams per day of trans fats.

The researchers investigated different fatty acids, but determined trans fats to be the most important contributor to excess body fat.

“Trans fats stuck out as a predictor to increased adiposity in both mothers and their babies,” said study co-author Alex Anderson, an assistant professor in the College of Family and Consumer Sciences.

Anderson said that although breast milk is optimal for the health of infants, it could contain high levels of trans fats, depending on the mother’s diet. A better understanding of how a mother’s consumption of trans fats may impact the health of her baby would aid nutritionists in making more accurate dietary recommendations to prevent chronic disease later in life by encouraging mothers to select a diet low in trans fats.

To determine the effect of the intake of trans fats by the child through breast milk, the researchers studied three different groups: mothers who only breast fed their infants, those who only used formula and those that used a combination of breast milk and formula.

It is important to measure body fat in addition to weight since being overweight does not always mean having a high percent of body fat and vice versa.

“It’s not just the weight, but the amount of body fat in the person that affects their health,” Anderson said. “That is why adiposity is such an important measure of cardiovascular risk.”

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