Key result
Moderate-to-heavy leisure time physical activity during pregnancy was associated with a significantly reduced risk of preterm delivery compared with sedentary women (OR 0.34; 95% CI 0.14-0.85).
Why the study?
Does leisure time physical activity reduce the risk of preterm delivery in healthy pregnant women?
Cohort (n=5,749)
No
Does leisure time physical activity reduce the risk of preterm delivery in healthy pregnant women?
Moderate-to-heavy leisure time physical activity during the first and early second trimester is associated with a significantly reduced risk of preterm delivery.
OBJECTIVE: This study was undertaken to study the association between the times spent on sports activities and leisure time physical activity in the first and early second trimester of pregnancy and the risk of preterm delivery. STUDY DESIGN: Population-based follow-up study of 5749 healthy pregnant women who delivered in Aarhus University Hospital, Denmark. RESULTS: Women who practiced more than 1 type of sports had a significantly reduced adjusted risk (odds ratio = 0.09 95% CI, 0.01-0.66) of preterm delivery compared with women with no sports activity. Compared with sedentary pregnant women, women engaged in light leisure time physical activity had a 24% nonsignificantly reduced adjusted risk (odds ratio = 0.76, 95% CI, 0.60-1.02) of preterm delivery and those engaged in moderate-to-heavy leisure time activity had a 66% reduced adjusted risk (odds ratio = 0.34, 95% CI, 0.14-0.85). CONCLUSION: Moderate-to-heavy leisure time physical activity during pregnancy is associated with a significantly reduced risk of preterm delivery.
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Hegaard et al. (2008) conducted a cohort in Pregnancy (n=5,749). Moderate-to-heavy leisure time physical activity vs. Sedentary lifestyle was evaluated on Preterm delivery (OR 0.34, 95% CI 0.14-0.85). Moderate-to-heavy leisure time physical activity during pregnancy was associated with a significantly reduced risk of preterm delivery compared with sedentary women (OR 0.34; 95% CI 0.14-0.85).
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