Table 1.

Litter Size, Fetal Body Weights, and Placental Weights During Gestation.^a

Gestational Days, dg	Litter Number	Fetal Body Weight, g	Placental Weight, g	Fetal Body Weight/Placental Weight
16	12 ± 2	0.41 ± 0.03	0.31 ± 0.01	1.34 ± 0.09
19	13 ± 1	2.21 ± 0.19b	0.48 ± 0.04c	4.58 ± 0.18d
21	11 ± 1	4.64 ± 0.29e	0.55 ± 0.01c	8.46 ± 0.45d

Abbreviation: SEM, standard error of the mean.

^a Data are mean ± SEM; n = 4.

^b P < .01 16 versus 19 dg and 16 versus 21 dg.

^c P = .001 16 versus 19 dg; P < .001 16 versus 21 dg.

^d P < .001 16 versus 19 dg, 16 vs 21 dg, and 19 vs 21 dg.

^e P < .01 19 versus 21 dg.