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A and B: Levels of serum LH and FSH. *P < 0.05. C: Following testosterone replacement, the level of LH was lower in the BPA rats than that in the control rats. *P < 0.05. D: Photographs of GnRH- immunohistochemistry in preoptic area (POA). Arrows indicate GnRH+ cells. Scale bar=50 µm. Bar graph shows mean number of GnRH+ cells. *P < 0.05. E: Relative level of GnRH mRNA in POA. *P < 0.05.
