Leisure-time physical activity in Amazonian pregnant women and offspring birth weight: A prospective cohort study.

Malta, Maíra B; Neves, Paulo A R; Lourenço, Bárbara H; Benício, Maria Helena D A; Werneck, Guilherme L; Castro, Marcia C; Cardoso, Marly A

Malta, Maíra B; Neves, Paulo A R; Lourenço, Bárbara H; Benício, Maria Helena D A; Werneck, Guilherme L; Castro, Marcia C; Cardoso, Marly A.

Afiliación

Malta MB; Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, Brazil.
Neves PAR; Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, Brazil.
Lourenço BH; Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil.
Benício MHDA; Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, Brazil.
Werneck GL; Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, Brazil.
Castro MC; Institute of Studies in Public Health, Federal University of Rio de Janeiro, Ilha do Fundão-Cidade Universitária, Rio de Janeiro, RJ, Brazil.
Cardoso MA; Department of Epidemiology, Social Medicine Institute, State University of Rio de Janeiro, Maracanã, Rio de Janeiro, RJ, Brazil.

PLoS One ; 17(3): e0265164, 2022.

Article en En | MEDLINE | ID: mdl-35294475

RESUMEN

Compelling evidence supports the current international recommendation of at least 150 min/week of leisure-time physical activity (LTPA) during pregnancy. However, the potential relationship between LTPA and birth weight (BW) remains unclear in low- and middle-income countries. The purpose of this study was to examine the association between LTPA during pregnancy and offspring BW in an Amazonian population. Prospective cohort study was carried-out with 500 pregnant women and their offspring followed-up in the MINA-Brazil study, which was conducted in Cruzeiro do Sul, Western Brazilian Amazon. LTPA was assessed in the second (mean 19.6, SD 2.4 weeks) and third (mean 27.8, SD 1.6 weeks) gestational trimesters by a standardised interview and categorised according to the recommended cut-off of at least 150 min/week. We calculated offspring BW z-scores by sex and gestational age. We then explored the effect of LTPA during pregnancy on offspring BW, the association between LTPA and small-for-gestational-age (SGA) or large-for-gestational-age (LGA) births, and the mediating role of excessive and insufficient gestational weight gain (GWG). At least 150 min/week of LTPA during the third gestational trimester was associated with an offspring BW decrease of -0.35 z-score (95% CI: -0.65, -0.05) or -147.9 grams (95% CI: -260.9, -14.8), without increasing the frequency of SGA foetuses either in the second or third gestational trimester (p > 0.05). Excessive GWG mediated the effect of LTPA on the offspring BW (indirect effect = -0.05 z-score [95% CI: -0.10, -0.00] or -34.7 grams (95% CI: -66.1, -3.3]). This mediation effect was not observed for insufficient GWG. LTPA in the third, but not in the second, trimester of pregnancy was inversely associated with offspring BW without increasing the frequency of SGA, an effect that was partly mediated by excessive GWG.

Asunto(s)

Actividades Recreativas; Mujeres Embarazadas; Peso al Nacer; Índice de Masa Corporal; Ejercicio Físico; Femenino; Humanos; Embarazo; Estudios Prospectivos

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Mujeres Embarazadas / Actividades Recreativas Tipo de estudio: Etiology_studies / Observational_studies / Risk_factors_studies Límite: Female / Humans / Pregnancy Idioma: En Revista: PLoS One Asunto de la revista: CIENCIA / MEDICINA Año: 2022 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Estados Unidos

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