Pregnant women who drink artificially sweetened beverages may be more likely to have overweight infants than women who do not, a study suggested Monday.

Researchers found that daily consumption of artificially sweetened beverages was linked to a two-fold higher risk of having an infant who was overweight at age one, compared to women who drank no artificially sweetened beverages at all.

Nearly 30 percent of women reported drinking artificially sweetened beverages while pregnant, but the study did not identify which kinds of sweeteners women were consuming.

The report also found no link between the child's BMI and the pregnant mother's self-reported consumption of sugary drinks.

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