Maternal exposure to procymidone has no effects on fetal external genitalia development in male rabbit fetuses in a modified developmental toxicity study.

@article{Inawaka2010MaternalET,
  title={Maternal exposure to procymidone has no effects on fetal external genitalia development in male rabbit fetuses in a modified developmental toxicity study.},
  author={Kunifumi Inawaka and Noriyuki Kishimoto and Hashihiro Higuchi and Satoshi Kawamura},
  journal={The Journal of toxicological sciences},
  year={2010},
  volume={35 3},
  pages={
          299-307
        }
}
This study was conducted to evaluate the effects of procymidone (PCM) on development of male rabbit fetal external genitalia. PCM was administered once daily by gavage at dose levels of 0 (control) and 125mg/kg/day to pregnant rabbits from gestation day 6 through 28 and fetal external genitalia was observed in detail. This treatment period covered the critical stage of sexual differentiation of fetal external genitalia in rabbits. In the maternal animals, food consumption was reduced in the PCM… 
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Development of the External Genitalia and Their Sexual Dimorphic Regulation in Mice
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This review summarizes various studies on the development of the murine GT and the defining characteristics of a masculinized GT and presents the different signaling pathways possibly involved during masculinization.

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