Table 1. Body weight and litter size of F1 male pups from rats treated with nicotine at different gestational periods
Groups	Litter size	Birth weight (g)	Final Weight (g)	Absolute Difference (g)
Control	7.80±0.40	6.37±0.49	98.36±1.43	91.99±1.26
GD 1-7	0.00±0.00	0.00±0.00	0.00±0.00	0.00±0.00
GD 7-14	5.02±0.26*	5.04±0.16*	91.88±3.73	86.84±1.32
Data are expressed as mean ± SEM (n=10). * p<0.05: compared to Controls. GD; Gestation day.