A randomized controlled trial using exercise to reduce gestational diabetes and other adverse maternal and neonatal outcomes in obese pregnant women –The pilot study.

INTERVENTION: Flexible exercise program with a goal of 1500 kCal of energy expenditure per week (approximately equivalent to 30 minutes of activity 5 days per week), measured using exercise diary, heart rate monitor and accelerometer data. The flexible individually tailored exercise program will be developed and reviewed weekly by exercise physiologists. Exercise will be commenced prior to 12 weeks gestation and will continue until delivery or development of a contraindication to exercise. CONDITION: Obese Pregnant Women PRIMARY OUTCOME: Increased physical activity SECONDARY OUTCOME: Fasting glucose, insulin, Fitness, body composition, resting blood pressure, inflammatory markers and ; quality of life. Neonatal body composition INCLUSION CRITERIA: Pregnant, less than 12 weeks gestationBMI 30 or greater. Willing and able to be randomized to an exercise intervention. Able to provide informed consent