ArticleRevista da Associacao Medica Brasileira (1992)2025
Association between the physical activity level in the third trimester of pregnancy and the gestational age at birth.
Article in Revista da Associacao Medica Brasileira (1992), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThe aim of this study was to evaluate the association between the physical activity level in the third trimester and the time of labor onset.
methodsTwo hundred and sixty women with low-risk pregnancies, who gave birth at 37 weeks of gestation or beyond, and completed the Pregnancy Physical Activity Questionnaire were included in this prospective, cross-sectional study. According to the gestational age at delivery, the study population was divided into case (≥41 weeks) and control (37-406/7 weeks) groups. The clinical characteristics and the physical activity levels of the two groups were compared. The physical activity levels of the participants were also compared according to the delivery route.
resultsThe nulliparity rate (54.3 vs. 21.7%), the median gestational weight gain (10.5 [2-30] vs. 10 [2-25] kg), and the cesarean delivery rate (27.7 vs. 6.6%) were higher in the case group than the control group (p<0.05). While the median level of sedentary activity was higher, the median moderate-intensity activity level and the median household/caregiving activity level were lower in the case group than the control group (p<0.05). The level of sedentary activity was also higher in women who gave birth by a cesarean section than vaginally (p<0.05).
conclusionPhysical activity in the third trimester was associated with the time of labor onset. Decreased moderate-intensity and household/caregiving activity levels and an increased level of sedentary activity in the last trimester of pregnancy were found in women who gave birth at ≥41 weeks of gestation. A decreased level of sedentary activity was observed in women who gave birth vaginally.
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