How do we counsel women with gestational diabetes about weight gain?

The author discusses pregnancy of women having diabetes and focuses on the risk for maternal and neonatal complications. An overview of factors related to short term complications such as preeclampsia and fetal hypoglycemia and longterm complications such as fetal macrosomia is mentioned. He refers to the hypothesis of Jean-Baptiste Lamarck and Barker. He focuses on gestational weight gain and mentions association of confounding factors and risk of weight gain above Institute of Medicine (IOM).