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. 2020 Feb 18;117(9):4642–4652. doi: 10.1073/pnas.1919563117

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Fig. 4. — Histological images of placentas from control and BPA- and BPS-exposed mice. A–C depict the three main regions of the fetal placenta: labyrinth (LA), spongtiotrophoblast (spongioTB), and GCs. The areas of each these regions were determined as well as the ratio of the areas to each other. (D) BPA and BPS exposure reduces the spongioTB to GC ratio, suggestive that these trophoblast lineages are vulnerable to BPA/BPS exposure. N = 10 to 16 individuals (males and females combined) per group. *P ≤ 0.05.