| Prepregnancy Body Mass Index and Resting Metabolic Rate during Pregnancy. | |
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MedLine Citation:
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PMID: 21124024 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Aim: The resting metabolic rate (RMR) varies among pregnant women. The factors responsible for this variability are unknown. This study aimed to assess the influence of the prepregnancy body mass index (BMI) on the RMR during late pregnancy. Methods: RMR, height, weight, and total (TEE) and activity (AEE) energy expenditures were measured in 46 healthy women aged 31 ± 5 years (mean ± SD) with low (<19.8), normal (19.8-26.0), and high (>26.0) prepregnancy BMI at 38.2 ± 1.5 weeks of gestation (t(gest)) and 40 ± 7 weeks postpartum (t(post)) (n = 27). Results: The mean t(gest) RMR for the low-, normal-, and high-BMI groups was 1,373, 1,807, and 2,191 kcal/day, respectively (p = 0.001). The overall mean t(gest) RMR was 316 ± 183 kcal/day (21%), higher than the overall mean t(post) value and this difference was correlated with gestational weight gain (r = 0.78, p < 0.001). The scaled metabolic rate by allometry (RMR/kilograms(0.73)) was similar in the low-, normal-, and high-BMI groups, respectively (p = 0.45). Changes in t(gest) TEE closely paralleled changes in t(gest) RMR (r = 0.84, p < 0.001). AEE was similar among the BMI groups. Conclusion: The RMR is significantly increased in the third trimester of pregnancy. The absolute gestational RMR is higher in women with high prepregnancy BMI due to increased body weight. The scaled metabolic rate (RMR/kilograms(0.73)) is similar among the BMI groups of pregnant women. |
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Authors:
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Katarina Melzer; Yves Schutz; Nina Soehnchen; Veronique Othenin Girard; Begona Martinez de Tejada; Claude Pichard; Olivier Irion; Michel Boulvain; Bengt Kayser |
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Publication Detail:
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Type: Journal Article Date: 2010-12-02 |
Journal Detail:
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Title: Annals of nutrition & metabolism Volume: 57 ISSN: 1421-9697 ISO Abbreviation: Ann. Nutr. Metab. Publication Date: 2010 |
Date Detail:
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Created Date: 2011-01-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8105511 Medline TA: Ann Nutr Metab Country: Switzerland |
Other Details:
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Languages: eng Pagination: 221-7 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 S. Karger AG, Basel. |
Affiliation:
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Institute of Movement Sciences and Sports Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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