Prenatal testosterone exposure elevates maternal aggression in mice.

  title={Prenatal testosterone exposure elevates maternal aggression in mice.},
  author={M A Mann and B B Svare},
  journal={Physiology & behavior},
  volume={30 4},
Pregnant Rockland-Swiss (R-S) female mice were injected with oil, 0.5, 1.0 or 2.0 micrograms of testosterone propionate (TP) on days 12, 14 and 16 of gestation and the maternal aggressive behavior of their resulting female offspring was examined in adulthood. Prenatal exposure to 1 or 2 micrograms of TP, but not 0.5 micrograms of the steroid, significantly increased the number of attacks displayed by parturient mice toward adult male intruders. The behavioral effects on aggression were observed… CONTINUE READING

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