Data on obese pregnant women showed 26% of those who underwent a pedometer-monitored workout with dietary follow-up attained a gestational weight gain of less than 11 pounds, while 22% of those in the physical activity-only group and 17% of those in the control arm were able to do so. Researchers also found more patients in the intervention groups were able to stay under the maximum recommended GWG compared with the controls. The results appear in the American Journal of Obstetrics & Gynecology.

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