Dieticians and adapted physical education teachers will develop the content.These lessons will include nutritional needs, motivational and behavioral advices, recipes, and movies of exercises easily achievable. The objective e-learning program is to limit weight gain by encouraging to healthy balance of carbohydrates, fat, protein, reducing high-energy foods intake (refined carbohydrates and saturated fats), increasing intake of fruits and vegetables and also by encouraging to physical activity. A second evaluation at around the 30th gestational weeks will allow adapting the lessons of the e-learning program, according to the progress of patients.