Journal
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY
Volume 119, Issue 1, Pages 70-77Publisher
WILEY
DOI: 10.1111/j.1471-0528.2011.03184.x
Keywords
Dietary intervention; exercise; gestational weight gain; pregnancy
Categories
Funding
- Lawson Foundation
- Canadian Institutes of Health Research
- Public Health Agency of Canada
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Objective To examine the effect of an exercise and dietary intervention during pregnancy on excessive gestational weight gain (EGWG), dietary habit and physical activity in pregnant women. Design Randomised controlled trial. Setting Community-based study. Population Nondiabetic urban-living pregnant women (<26 weeks of gestation). Methods Participants in the intervention group were provided with community-based group exercise sessions, instructed home exercise and dietary counselling between 20 and 36 weeks of gestation. Participants in both groups received physical activity and food intake surveys at enrolment and 2 months after the enrolment. Main outcome measures Prevalence of EGWG and measures of physical activity and food intakes between the two groups. Results A total of 190 pregnant women, 88 in the control group and 102 in the intervention group, completed the study. Decreased daily intakes of calorie, fat, saturated fat and cholesterol were detected in participants in the intervention group at 2 months after enrolment compared with the control group (P < 0.01). Participants in the intervention group had higher physical activity 2 months after enrolment compared with the control group (P < 0.01). The lifestyle intervention during pregnancy reduced the prevalence of EGWG in the intervention group compared with the control group (P < 0.01) according to the guidelines of the Institute of Medicine. Conclusion The findings suggest that lifestyle intervention during pregnancy increased physical activity, improved dietary habits and reduced EGWG in urban-living pregnant women.
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