Table 1.

Baseline physical data

Parameter	Virgin rats (n = 6)	Mid-pregnant rats (n = 7)	Late-pregnant rats (n = 6)
Body weight (g)	242 ± 2	276 ± 4*	354 ± 8*†
Right kidney weight (g)	0.72 ± 0.02	0.83 ± 0.01*	0.81 ± 0.02*
Uterine weight (g)	0.65 ± 0.12	7.90 ± 1.25	67.60 ± 7.45*†
Pup weight (g)	—	—	45.52 ± 6.60
Number of pups	—	13 ± 2	14 ± 1
Haematocrit (%)	44 ± 0.5	41 ± 0.9*	37 ± 0.4*†

Data are presented as mean values ± SEM.

^*P < 0.05 versus virgin and

^†P < 0.05 versus mid-pregnant, by ANOVA.