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. 2015 Nov 16;4:48. doi: 10.1186/s13756-015-0086-z

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© Tong et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 6 — Oxygen and Carbon dioxide content of inspired air in pregnant women at rest and following exercise. (a) Forced inspired O₂ (FiO₂) and (b) forced inspired CO₂ concentrations (FiCO₂) were measured with a metabolic cart. N = 19 (±SEM)