By Robert Preidt
Exposure to excess blood sugar in the womb may contribute to a baby having a high birth weight. So, British researchers looked at whether giving metformin -- a drug that helps regulate blood sugar -- to obese women during pregnancy would reduce the weight of their babies.
In the study, 226 women received the drug from the second trimester until their babies were born, while 223 women took a placebo. There was no difference in the weight of babies born to mothers in the two groups.
The study was published July 10 in The Lancet Diabetes and Endocrinology.
"The children of obese pregnant women face a lifetime of long term health complications as they grow up. The results of [this] study emphasize the importance for women to be of normal weight before pregnancy," Jane Norman, director of the Tommy's Centre for Maternal and Fetal Health at the University of Edinburgh in Scotland, said in a university news release.