PMC2778181_01
Vital capacity (VC) (solid line) and room air oxygen saturations (SpO2) (dashed line) measured at week from gestation for (a) the first and (b) the second pregnancies.
OGI2009-942301.001.jpg
PMC2778181_01_OGI2009-942301.001.jpg
fig1
Respiratory function remained stable during the pregnancy, with VC ranging between 0.22 to 0.30 L and SpO2 on room air from 93 to 97%, as illustrated in Figure 1(a). These measurements are illustrated in Figure 1(b).