PMC8413020_01
Serum bicarbonate changes from preconception to postpartum. ICU, intensive care unit; L, liter; mmol, millimole.
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fig1
Figure 1). For comparison, a normal term pregnancy ABG is pH 7.43, PaCO2 30.4 mmHg, PaO2 101.8 mmHg on 21% oxygen, and bicarbonate 21.7 mmol/L. One day after extubation, the patient's serum bicarbonate was 29 mmol/L (Figure 1).