The timing of prenatal exposure to maternal cortisol and psychosocial stress is associated with human infant cognitive development.

@article{Davis2010TheTO,
  title={The timing of prenatal exposure to maternal cortisol and psychosocial stress is associated with human infant cognitive development.},
  author={Elysia Poggi Davis and Curt A. Sandman},
  journal={Child development},
  year={2010},
  volume={81 1},
  pages={131-48}
}
The consequences of prenatal maternal stress for development were examined in 125 full-term infants at 3, 6, and 12 months of age. Maternal cortisol and psychological state were evaluated 5 times during pregnancy. Exposure to elevated concentrations of cortisol early in gestation was associated with a slower rate of development over the 1st year and lower… CONTINUE READING