Changes in pulmonary function tests during pregnancy
Changes in pulmonary function tests during pregnancy
Serial measurements of lung volume compartments during pregnancy. Functional residual capacity decreases approximately 20% during the latter half of pregnancy, due to a decrease in both expiratory reserve volume and residual volume.
Modified from: Prowse CM, Gaensler EA. Respiratory and acid-base changes during pregnancy. Anesthesiology 1965; 26:381.
Graphic 80850 Version 4.0
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