The Effects of Physical Exercise on Pregnancy Outcomes: A Meta Analysis

Lokey, E. A.; Tran, Zung Vu; Wells, Christine L.; Myers, Bennett; Tran, Andy

doi:10.1249/00005768-198004001-00185

Cited by 42 publications

(57 citation statements)

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“…The use of self-report methods may explain why neither leisure-time physical activity scores nor changes in physical activity levels since becoming pregnant were associated with GWG. Several reviews have concluded that physical activity levels during pregnancy did not impact on GWG, or at least not in most studies (13,(62)(63)(64) . These reviews were based mainly on observational studies and physical activity levels were usually assessed using a questionnaire.…”

Section: Discussionmentioning

confidence: 99%

Prediction of gestational weight gain – a biopsychosocial model

Heery

Kelleher

Wall

et al. 2014

Public Health Nutr.

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Objective: To examine the influence of health behaviours and psychological well-being on gestational weight gain using a biopsychosocial model. Design: A prospective cohort study of pregnant women consecutively recruited at their first antenatal care visit. A self-administered questionnaire was used to collect data on health behaviours and psychological well-being in early pregnancy. Linear regression and logistic regression were used to identify predictors of total weight gain in kilograms and weight gain outside the current Institute of Medicine recommendations, respectively. Setting: A maternity hospital in the Republic of Ireland. Subjects: Data on 799 women were analysed. Results: Pre-pregnant BMI ≥30·0 kg/m 2 , short stature, parity >0, decreased food intake and absence of health insurance predicted lower absolute gestational weight gain, while foreign nationality, consumption of takeaway meals more than once weekly and increased food intake predicted higher absolute gestational weight gain. Overweight and obesity, foreign nationality, increased food intake and height > 170 cm were risk factors for excessive weight gain, while antenatal depression was protective against excessive weight gain. Notably, physical activity measures were not related to the gestational weight gain outcomes. Pre-pregnancy overweight and increased food intake were the strongest predictors of excessive gestational weight gain. Conclusions: None of the psychological well-being measures examined, with the exception of antenatal depression, was associated with any of the weight gain outcomes. The behavioural predictors of gestational weight gain were increased food intake and takeaway consumption. Public health promotions should target pre-pregnancy BMI and pregnancy-associated change in food intake.

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Section: Discussionmentioning

confidence: 99%

Prediction of gestational weight gain – a biopsychosocial model

Heery

Kelleher

Wall

et al. 2014

Public Health Nutr.

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“…Finally, in this retrospective study it was concluded that maternal leisure-time physical activities prior to and/or during pregnancy do not jeopardize pregnancy outcome, that is, preterm birth [28][29][30][31][32][33][34][35] .…”

Section: Discussionmentioning

confidence: 99%

“…In addition, there is a lack of consensus regarding the effect of maternal leisure-time physical activities during pregnancy with the shortening of gestational length. In a meta-analysis conducted by Lokey et al 28) , the length of gestation between mothers who exercised during pregnancy and those who were sedentary did not differ. This evidence is ascertained by a number of studies [29][30][31][32][33] that reported similar findings.…”

Section: Introductionmentioning

confidence: 89%

Relationship between maternal physical activities and preterm birth

Cavalli

Tanaka

2001

Environ Health Prev Med

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A cross-sectional study was conducted in three Municipal Health Centers located in Aichi prefecture, central Japan. The main purpose of this study was to verify the interaction between maternal leisure-time physical activities prior to and/or during pregnancy and preterm birth and also, to determine the risk factors related to preterm birth. In this study of the 2,682 questionnaires delivered within one year to mothers or relatives at the Municipal Health Centers, 1,714 questionnaires were analyzed. In a univariate analysis the results showed that mothers who had a previous low birthweight or a premature baby, or who were hospitalized during pregnancy before the 37 th week of gestation, or had an occupational activity, or carried out their household chores, or were sick, or received much medical advice and did not exercise were more likely to have a preterm baby. In multivariable logistic regression analyses, maternal hospitalization before the 37 th week of gestation and occupational activities were significant determinants associated with preterm birth. Thus, it was verified that maternal leisure-time physical activities prior to and/or during pregnancy were not related to preterm birth.

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“…1,2,4,5 The effect of exercise training during the course of pregnancy on the newborn's birth weight is unclear. Two meta-analyses reported that exercise during pregnancy normally does not affect birth weight, 6,7 but a more recent Cochrane meta-analysis concluded that the available data are insufficient to infer important risks or benefits for the mother or infant. 8 The authors of all three meta-analyses nonetheless agreed that randomised controlled trials on large population samples are needed to assess the effect of regular physical activity during pregnancy on pregnancy outcomes such as birth weight when accounting for potential confounding factors, such as age, smoking habits, alcohol intake, number of hours standing, and gestational weight gain.…”

Section: Introductionmentioning

confidence: 99%

Resistance exercise training during pregnancy and newborn's birth size: a randomised controlled trial

2009

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Objective: We examined the effect of light intensity resistance exercise training performed during the second and third trimester of pregnancy on the newborn's birth size. We also studied the association between maternal body weight prior to pregnancy and newborn's birth size. Design: Randomised controlled trial. Subjects: We randomly assigned 160 sedentary gravidae to either a training (n ¼ 80) or a control (n ¼ 80) group. The training programme focused on light resistance and toning exercises (three times per week, 35-40 min per session). We recorded the Apgar score, birth weight, birth length, and head circumference of the newborn, as well as gestational age at time of delivery from hospital perinatal records. We also measured maternal weight and height before parity and gestational weight gain. Results: Maternal characteristics neither differed between groups (all P40.1) nor newborn characteristics (all P40.1). Maternal body weight was positively and significantly associated with newborn's birth weight and length only in the control group (b ¼ 19.20 and 0.065, respectively, Po0.01). Conclusion: Light intensity resistance training performed over the second and third trimester of pregnancy does not have a negative impact on the newborn's body size or overall health. Exercise interventions might attenuate the adverse consequences of maternal body weight before pregnancy on the newborn's birth size.

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The Effects of Physical Exercise on Pregnancy Outcomes: A Meta Analysis

Cited by 42 publications

References 0 publications

Prediction of gestational weight gain – a biopsychosocial model

Prediction of gestational weight gain – a biopsychosocial model

Relationship between maternal physical activities and preterm birth

Resistance exercise training during pregnancy and newborn's birth size: a randomised controlled trial

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