Linn Marie Sorbye, University of Bergen (IMAGE) The University of Bergen Caption Linn Marie Sorbye discovered that just a minor weight gain between pregnancies increases the risk of gestational diabetes. Credit Anne Sidsel Herdlevar, University of Bergen. Usage Restrictions Credit photographer. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.