Pulmonary responses to exercise in pregnancy |
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| Authors: | R Artal R Wiswell Y Romem F Dorey |
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| Affiliation: | 1. Department of Human Nutritional Science, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;2. Canadian Centre for Agri-food Research in Health and Medicine, Winnipeg, MB R3T 2N2, Canada;3. International Nutritional Research Inc., Winnipeg, Canada;4. Department of Biochemistry, Memorial University of Newfoundland, St John''s, NL A1B 3X9, Canada;5. College of Veterinary Medicine, Hunan Agricultural University, Changsha City, Hunan Province 410128, China |
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| Abstract: | The pulmonary responses of 88 pregnant women were compared to those of 39 nonpregnant control subjects during different exercise intensities. At rest the pregnant women had higher tidal volumes, oxygen consumption, carbon dioxide production, and respiratory exchange ratio. With increased work loads the pregnant volunteers have consistently lagged behind the nonpregnant control subjects for every parameter, which indicates a decrease in pulmonary reserve and inability to exercise anaerobically. |
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