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Effects of BPA on the trophinin expression levels in the blastocysts. A. The expression levels of trophinin in the blastocysts in mice treated with 0 (control), 200, 400, and 600 mg/kg/day BPA on day 5 of pregnancy were detected with immunofluorescence staining (green for trophinin). DNA was stained with Hoechst33342 (blue). Scale bar, 50 μm. B, C. Statistical analysis of the expression levels of trophinin in the blastocysts. Compared with the control group, *P < 0.05.
