"Pregnant women who receive treatment for the mildest forms of gestational diabetes -- including diet and exercise intervention, self-monitoring of blood glucose levels and possibly insulin therapy -- are less likely to have serious birth complications or develop preeclampsia or high blood pressure during pregnancy...
Women who received treatment also had lower rates of preeclampsia and high blood pressure -- 8.6 percent versus 13.6 percent in the control group, the study found."
http://www.nlm.nih.gov/medlineplus/news/fullstory_90028.html
Link to study abstract:
http://content.nejm.org/cgi/content/short/361/14/1339
