Key result
Supervised exercise in pregnant women with overweight/obesity significantly reduced gestational weight gain compared to control (MD 0.88 kg; 95% CI -1.73 to -0.03; P=0.04).
Why the study?
Whether exercise alone with supervision benefits pregnant women with overweight/obesity was unknown.
Does supervised exercise reduce gestational weight gain and improve metabolic parameters in pregnant women with overweight/obesity?
Meta-Analysis
Does supervised exercise reduce gestational weight gain and improve metabolic parameters in pregnant women with overweight/obesity?
Mean Difference: 0.88 (95% CI -1.73–-0.03)
p-value: p=.04
Supervised exercise in pregnant women with overweight/obesity safely prevents excessive gestational weight gain and attenuates insulin resistance and post-prandial blood glucose levels.
Supports supervised exercise to limit gestational weight gain in overweight/obese pregnancies; confirms benefits in meta-analysis of trials.
Behavioural modification through physical activity and dietary counselling has been shown to have beneficial effects on pregnant women with overweight/obesity. Whether exercise alone with supervision (ie, supervised exercise) may also benefit for pregnant women with overweight/obesity is still unknown. This systematic review and meta-analysis aimed to determine the safety and efficacy of supervised exercise on pregnant women with overweight/obesity. PubMed, Cochrane library, Embase (Ovid), CINAHL (EBSCO), and Web of Science were used to search publications using a combination of main keywords "obesity", "exercise", "pregnant women", and "randomised controlled trial". From a total of 740 publications, 11 randomized controlled trials were included. All studies reported no adverse effects of supervised exercise on pregnant women with overweight/obesity. Of interest, this meta-analysis showed gestational weight gain (GWG) was lower in the supervised exercise group as compared to control (Mean difference 0.88 kg, 95%CI -1.73 to -0.03, P = .04). There was a significant effect of supervised exercise on post-prandial blood glucose (MD: -0.24, 95%CI -0.47 to -0.01, P = .04) and insulin resistance (HOMA-IR) (MD: -0.18, 95%CI -0.30 to -0.05, P = .005). There were no differences in risk of gestational diabetes mellitus, pre-eclampsia/gestational hypertension, and newborn outcomes (eg, infants birth weight, preterm birth incident, and gestational age) (all P > .05). This meta-analysis might suggest beneficial effects of supervised exercise on pregnant women with overweight/obesity to prevent excessive GWG, attenuates insulin resistance, and the post-prandial blood glucose level.
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Muhammad et al. (2020) conducted a meta-analysis in Overweight/obesity in pregnancy. Supervised exercise vs. Control was evaluated on Gestational weight gain (GWG) (MD 0.88 kg, 95% CI -1.73 to -0.03, p=.04). Supervised exercise in pregnant women with overweight/obesity significantly reduced gestational weight gain compared to control (MD 0.88 kg; 95% CI -1.73 to -0.03; P=0.04).
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