Fig. 4

Maternal physiological changes under exposure to A30 during early or late pregnancy. a The rate of increased weight of pregnant mice. NN is defined as normal non-pregnant mice. b Organ coefficient of pregnant mice. Data are shown as mean ± s.d. (n = 10 per group). The symbol * represents p < 0.05 compared with NP group by ANOVA with Tukey’s test post-hoc. c H&E staining of maternal kidney of pregnant mice. d H&E staining of maternal liver of pregnant mice. For (c) and (d), representative images of at least 4 samples for each group are shown. The scale bar is 50 μM