Table 1.

Percentage increment in GFR, renal plasma flow, and filtration fraction as measured by inulin or iothalamate and p-aminohippurate clearance methodology, respectively, at different time points during gestation

Gestational Age (wk)GFR (%)Renal Plasma Flow (%)Filtration Fraction (%)
1–2037.1341.18−1.89
21–3038.3829.4410.68
31–4039.4610.3729.26
Postpartum wk 130.76−2.0518.15
Postpartum wk 219.05−8.2131.58
Postpartum wk 6–8−0.91−7.94−1.59