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Effects of preimplantation BPA (40 mg/kg/day) exposure on pregnancy outcome. A. Gestation period. *, P=0.00096. All the animals in the control group (0 mg/kg/day BPA) happened to have the same gestation period; the standard error for this group was zero. B. Litter size. *, P=0.046. A & B, N=4–7. Error bars: standard error. C. Postnatal survival rate. *, P=0.0036. N=31 in control and 36 in BPA-treated group.
