Women who drink five or more sugar-sweetened colas a week are more likely to develop diabetes when they become pregnant, according to a new study. Gestational diabetes mellitus (GDM) is one of the most common complications of pregnancy and affects about 4 percent of all pregnant women, according to the American Diabetes Association. Though its cause is unknown, scientists know that women with the condition develop insulin resistance, causing an increase in blood-glucose levels.A team led by Dr. Liwei Chen of Louisiana State University studied 13,475 women who are part of the Nurses’ Health Study II, an ongoing project involving more than 116,000 female nurses. The women, who were 22 to 44 when the study began, became pregnant during the next 10 years and 860 were subsequently diagnosed with GDM. Women were asked how often they consumed Coke,
About one-third of the women reported drinking 5 or more sugar-sweetened colas a week, and they were 22 percent more likely to develop GDM than women who had fewer than 3 sugar-sweetened colas a month. There was no significant increase in risk from consumption of diet colas or other drinks. “Based on these findings, I would advise patients to stay away from sugar-sweetened beverages’’ if they are trying to get pregnant, said Dr. Paul Robertson, professor of medicine at the University of Washington and president of the American Diabetes Association.
BOTTOM LINE: Women who regularly consume large quantities of sugar-sweetened colas before pregnancy are more likely to develop gestational diabetes.
CAUTIONS: Cola consumption wasn’t tracked during pregnancy, but Chen said other studies suggest that pregnant women don’t change dietary routine.
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