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Appl Physiol Nutr Metab. 2007 Dec;32(6):1105-14.

Dietary intake, capillary blood glucose, and activity level of activity-restricted, hospitalized, pregnant women in the third trimester: a pilot study.

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  • 1School of Kinesiology, University of Western Ontario, London, ON N6A 5B8. ctomkins@ualberta.ca

Abstract

Activity restriction in hospital is commonly prescribed by care providers to decrease the incidence of maternal or fetal morbidity in high-risk pregnancies. The purpose of this pilot descriptive study was to collect preliminary data on dietary intake, capillary blood glucose concentrations, and activity level in high-risk, activity-restricted, pregnant women in the third trimester of pregnancy. Dietary food intake records, capillary blood glucose, and daily pedometer step totals were investigated in 20 activity-restricted women over 7 consecutive days in hospital. Subjects were asked to collect hospital meal tickets, as well as record any additional items not provided by the hospital in a dietary log each day. Capillary blood glucose was collected every morning (fasting) as well as 1 h after breakfast (post-prandial) using a glucometer. Subjects wore a pedometer 24 h/d, and recorded step totals 4 times daily in a pedometer log. In the analysis, average energy and macronutrient intakes met dietary reference intake (DRI) recommendations, as did average intakes of all micronutrients, including maternal supplementation. Without supplementation, vitamin E and iron intakes were lower (p<0.05) than the DRI recommendations. Average fasting (4.6+/-0.5 mmol/L) and post-prandial (7.1+/-1.0 mmol/L) blood glucose concentrations in subjects without gestational diabetes (GDM) did not exceed Canadian Diabetes Association cut-off values for screening of GDM. The mean daily step total of 1579+/-936 was lower than ambulatory third-trimester women (6495+/-2282 steps; p<0.001). Results from this pilot study suggest that with maternal supplementation, these activity-restricted, hospitalized, pregnant women were meeting dietary recommendations, and did not have elevated capillary blood glucose. However, given the severity of activity restriction, these women may be at risk for consequences of extreme inactivity.

PMID:
18059584
DOI:
10.1139/H07-117
[PubMed - indexed for MEDLINE]
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