15 Jan 2019 --- Conventional ways to prevent gestational diabetes mellitus are ineffective and its appearance possibly depends on each individual’s health, according to a recent Pennington Biomedical study. The results found that moms-to-be who ate healthier and less, and increased their physical activity, developed gestational diabetes at about the same rates as women who didn't follow the same lifestyle. The researchers now believe there may be different types of gestational diabetes that warrant different approaches to treatment and prevention.