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Mom's Placenta Reflects Her Exposure to Stress and Impacts Offsprings' Brains, University of Pennsylvania Study  
3/5/2013 7:23:21 AM

The mammalian placenta is more than just a filter through which nutrition and oxygen are passed from a mother to her unborn child. According to a new study by a research group from the University of Pennsylvania School of Veterinary Medicine, if a mother is exposed to stress during pregnancy, her placenta translates that experience to her fetus by altering levels of a protein that affects the developing brains of male and female offspring differently.
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