Scanning reveals what pregnancy does to a mother’s brain


AS ANY parent will tell you, once you have had children nothing is ever quite the same. Including, it seems, their mothers’ brains. In a paper just published in Nature Neuroscience, a team led by Elseline Hoekzema of the Universitat Autònoma de Barcelona, in Spain, describe for the first time how pregnancy alters women’s brains, rewiring them in ways that persist long after a child has been born.

Dr Hoekzema and her colleagues performed detailed brain scans on 65 female volunteers, none of whom had been pregnant before, but hoped to be in the near future, and a further 20 who had no such desire. About 15 months later, by which time 25 of their volunteers had carried babies to term, they repeated the process.



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