Trial name or title	Effect of physical activity on metabolic syndrome in pregnancy and fetal outcome
Methods	Randomised controlled trial, single blind (investigator).
Participants	Location: United States, Washington. Target number of participants: 100. Inclusion criteria: pregnant women 18-45 years old receiving prenatal care at MAMC Exclusion criteria: women do not have a gallbladder, do not speak English, over 14 weeks pregnant at study entry, do not plan to deliver at MAMC, have medical contraindications, unwilling to participate in exercise intervention program, < 18 years of age, currently engaged in a regular vigorous exercise program
Interventions	Intervention group will exercise 3 times per week at moderate-vigorous intensity for 45 minutes per session through their 36 week of pregnancy Control group women will continue their usual physical activity throughout pregnancy
Outcomes	Primary outcome: central adiposity. Secondary outcomes: leptin levels, glucose insulin, cholesterol, fetal adiposity, neonatal adiposity
Starting date	October 2007.
Contact information	Cynthia W Ko, University of Washington.
Notes