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MG development of female offspring in the early-life effects cross-foster study. Whole mount preparations of mammary tissue from female offspring at PND 1, 3, 5 (64×), and PND 10 (50×). The arrow in 5U + L on PND 1 identifies ductal epithelium. Glands pictured are representative of mean respective scores (Table 1; N = 4 litters per treatment group at each time point; three pup glands scored per litter). *Significant treatment effect by ANOVA, compared to control; p < 0.05.
