Objective: This study examined the resting oxygen consumption in patients with a twin pregnancy and compared the results with those of singleton pregnancies.
Methods: In 15 patients with a twin and 26 patients with a singleton pregnancy, the resting oxygen consumption was measured using an open-circuit ventilatory system during the third trimester of pregnancy.
Results: The average resting oxygen consumption in patients with a twin pregnancy was 231+/-25 ml/min, significantly higher than that in patients with a singleton pregnancy (209+/-24 ml/min, P<0.05).
Conclusion: Our results indicate an estimated increase in metabolic rate in patients during the third trimester of a twin pregnancy compared with those with a singleton pregnancy.
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| http://dx.doi.org/10.1007/s00404-004-0702-2 | DOI Listing |
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