Stress in pregnancy can impact children for life

Image: Shutterstock/Kaya Shelest PRENATAL EXPOSURE TO a mother’s stress contributes to anxiety and cognitive problems that persist into adulthood according to new research in mice. When pregnant mice were exposed to stress in the study, it appeared to change the makeup of the bacteria in both their guts and placentas, as well as in the intestinal tracts of their female offspring, researchers at The Ohio State University found. And those microbial changes lasted into adulthood. On top of that, the mice with stressed mothers struggled in tests aimed at gauging anxiety and cognitive health compared with female offspring of mice that were not stressed during pregnancy. And markers of inflammation increased in the placenta, the fetal brain and the adult brain of the offspring while a supportive protein called brain-derived…


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