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Diabetes Metab. 2017 Oct;43(5):416-423. doi: 10.1016/j.diabet.2017.01.006. Epub 2017 Feb 24.

Moderate intensity sports and exercise is associated with glycaemic control in women with gestational diabetes.

Author information

1
Division of research, Kaiser Permanente Northern California, Oakland, CA, USA; Department of Public Health, College of Education, Health and Human Sciences, University of Tennessee, Knoxville, TN, USA. Electronic address: sehrlic1@utk.edu.
2
Division of research, Kaiser Permanente Northern California, Oakland, CA, USA.
3
Department of Biostatistics and Epidemiology, School of Public Health and Health Sciences, University of Massachusetts, Amherst, USA.
4
Division of Perinatology, Department of Obstetrics and Gynecology, Kaiser Permanente Medical Center, Santa Clara, CA, USA.

Abstract

AIM:

To assess the association of regular, unsupervised sports and exercise during pregnancy, by intensity level, with glycaemic control in women with gestational diabetes (GDM).

METHODS:

Prospective cohort study of 971 women who, shortly after being diagnosed with GDM, completed a Pregnancy Physical Activity Questionnaire assessing moderate and vigorous intensity sports and exercise in the past 3 months. Self-monitored capillary glucose values were obtained for the 6-week period following the questionnaire, with optimal glycaemic control defined≥80% values meeting the targets<5.3mmol/L for fasting and <7.8mmol/L 1-hour after meals. Logistic regression estimated the odds of achieving optimal control; linear regression estimated activity level-specific least square mean glucose, as well as between-level mean glucose differences.

RESULTS:

For volume of moderate intensity sports and exercise ([MET×hours]/week), the highest quartile, compared to the lowest, had significantly increased odds of optimal control (OR=1.82 [95% CI: 1.06-3.14] P=0.03). There were significant trends for decreasing mean 1-hour post breakfast, lunch and dinner glycaemia with increasing quartile of moderate activity (all P<0.05). Any participation in vigorous intensity sports and exercise was associated with decreased mean 1-hour post breakfast and lunch glycaemia (both P<0.05). No associations were observed for fasting.

CONCLUSION:

Higher volumes of moderate intensity sports and exercise, reported shortly after GDM diagnosis, were significantly associated with increased odds of achieving glycaemic control. Clinicians should be aware that unsupervised moderate intensity sports and exercise performed in mid-pregnancy aids in subsequent glycaemic control among women with GDM.

KEYWORDS:

Capillary glucose; Exercise; Gestational diabetes; Glycaemic control; Physical activity; Pregnancy

PMID:
28238600
PMCID:
PMC5568986
DOI:
10.1016/j.diabet.2017.01.006
[Indexed for MEDLINE]
Free PMC Article

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