Fig. 5.
The effect of subcutaneous injection of nicotine in maternal rats on fetal blood lactic acid levels. Control: the control animals; early: maternal s.c. nicotine from GD 3 to 21; middle: maternal s.c. nicotine from GD 9 to 21; late: maternal s.c. nicotine from GD 15 to 21. * and #p < 0.05; * vs. the Control; # vs. the late group.