Body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial

Abstract Background There are limited data on long-term outcomes of children whose mothers have followed exercise interventions during pregnancy. The aim of this paper was to investigate whether regular moderate intensity exercise during pregnancy affected the children’s body mass index (BMI) and ph...

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Autores principales:	Karen Alterhaug Bjøntegaard, Signe Nilssen Stafne, Siv Mørkved, Kjell Åsmund Salvesen, Kari Anne I. Evensen
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Child Body mass index Exercise during pregnancy Follow-up Physical activity Randomised controlled trial Pediatrics RJ1-570
Acceso en línea:	https://doaj.org/article/37084aa7eea94c28a48bdd09bfe13079
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spelling	oai:doaj.org-article:37084aa7eea94c28a48bdd09bfe130792021-11-14T12:33:22ZBody mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial10.1186/s12887-021-02952-11471-2431https://doaj.org/article/37084aa7eea94c28a48bdd09bfe130792021-11-01T00:00:00Zhttps://doi.org/10.1186/s12887-021-02952-1https://doaj.org/toc/1471-2431Abstract Background There are limited data on long-term outcomes of children whose mothers have followed exercise interventions during pregnancy. The aim of this paper was to investigate whether regular moderate intensity exercise during pregnancy affected the children’s body mass index (BMI) and physical activity (PA) at 7 years of age, and determine the relationship between children’s and mothers’ BMI and PA. Methods This was a follow-up of a multicentre randomised controlled trial, carried out at St. Olavs Hospital, Trondheim University Hospital, and Stavanger University Hospital, Norway (2007–2009 and 2014–2016). Women were randomised to follow a 12-week structured exercise protocol or standard antenatal care during pregnancy. At the 7-year follow-up, parents reported their child’s height, weight, and PA. The mothers also reported their own weight and PA. Main outcome variables were BMI, frequency and duration of moderate to vigorous PA (MVPA), and intensity of PA. Results A total of 855 women were randomised to exercise (n = 429) or standard antenatal care (n = 426) during pregnancy. At follow-up, 164 (38.2%) children and mothers in the intervention group and 117 (27.5%) in the control group participated. We found no group differences in the children’s iso-BMI or PA. Findings were similar when we performed stratified analyses by sex, except boys in the control group spent more time on electrical devices than boys in the intervention group. Subgroup analyses of children of mothers who adhered to the exercise protocol and sensitivity analyses excluding children born preterm, children admitted to the neonatal intensive care unit, and children with diseases or health problems at the 7-year follow-up, did not change the results. Children’s BMI, weekly leisure time MVPA and intensity of PA correlated with mothers’ BMI, daily exercise, and intensity of exercise. Conclusions Regular moderate intensity exercise during pregnancy did not affect BMI or PA of the children at 7 years. Good maternal health should be encouraged as it may influence the health of the next generation. Trial registration The initial RCT study was registered in ClinicalTrials.gov NCT00476567 .Karen Alterhaug BjøntegaardSigne Nilssen StafneSiv MørkvedKjell Åsmund SalvesenKari Anne I. EvensenBMCarticleChildBody mass indexExercise during pregnancyFollow-upPhysical activityRandomised controlled trialPediatricsRJ1-570ENBMC Pediatrics, Vol 21, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Child Body mass index Exercise during pregnancy Follow-up Physical activity Randomised controlled trial Pediatrics RJ1-570
spellingShingle	Child Body mass index Exercise during pregnancy Follow-up Physical activity Randomised controlled trial Pediatrics RJ1-570 Karen Alterhaug Bjøntegaard Signe Nilssen Stafne Siv Mørkved Kjell Åsmund Salvesen Kari Anne I. Evensen Body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial
description	Abstract Background There are limited data on long-term outcomes of children whose mothers have followed exercise interventions during pregnancy. The aim of this paper was to investigate whether regular moderate intensity exercise during pregnancy affected the children’s body mass index (BMI) and physical activity (PA) at 7 years of age, and determine the relationship between children’s and mothers’ BMI and PA. Methods This was a follow-up of a multicentre randomised controlled trial, carried out at St. Olavs Hospital, Trondheim University Hospital, and Stavanger University Hospital, Norway (2007–2009 and 2014–2016). Women were randomised to follow a 12-week structured exercise protocol or standard antenatal care during pregnancy. At the 7-year follow-up, parents reported their child’s height, weight, and PA. The mothers also reported their own weight and PA. Main outcome variables were BMI, frequency and duration of moderate to vigorous PA (MVPA), and intensity of PA. Results A total of 855 women were randomised to exercise (n = 429) or standard antenatal care (n = 426) during pregnancy. At follow-up, 164 (38.2%) children and mothers in the intervention group and 117 (27.5%) in the control group participated. We found no group differences in the children’s iso-BMI or PA. Findings were similar when we performed stratified analyses by sex, except boys in the control group spent more time on electrical devices than boys in the intervention group. Subgroup analyses of children of mothers who adhered to the exercise protocol and sensitivity analyses excluding children born preterm, children admitted to the neonatal intensive care unit, and children with diseases or health problems at the 7-year follow-up, did not change the results. Children’s BMI, weekly leisure time MVPA and intensity of PA correlated with mothers’ BMI, daily exercise, and intensity of exercise. Conclusions Regular moderate intensity exercise during pregnancy did not affect BMI or PA of the children at 7 years. Good maternal health should be encouraged as it may influence the health of the next generation. Trial registration The initial RCT study was registered in ClinicalTrials.gov NCT00476567 .
format	article
author	Karen Alterhaug Bjøntegaard Signe Nilssen Stafne Siv Mørkved Kjell Åsmund Salvesen Kari Anne I. Evensen
author_facet	Karen Alterhaug Bjøntegaard Signe Nilssen Stafne Siv Mørkved Kjell Åsmund Salvesen Kari Anne I. Evensen
author_sort	Karen Alterhaug Bjøntegaard
title	Body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial
title_short	Body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial
title_full	Body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial
title_fullStr	Body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial
title_full_unstemmed	Body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial
title_sort	body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial
publisher	BMC
publishDate	2021
url	https://doaj.org/article/37084aa7eea94c28a48bdd09bfe13079
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Body mass index and physical activity in seven-year-old children whose mothers exercised during pregnancy: follow-up of a multicentre randomised controlled trial

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