Abstract: Xinhua News Agency, Washington, May 10 (Xinhua) A study published in the new issue of the American Journal of Neuroscience found that the immune response of pregnant women due to infection, stress, disease or allergies during the third trimester of pregnancy can affect the fetus and even the baby. Brain development period. Xinhua News Agency, Washington, April 1 (Xinhua) A study published in the new issue of the American Journal of Neuroscience found that the immune response of pregnant women due to infection, stress, disease or allergies in the third trimester of pregnancy can affect the brain of the fetus and even the baby. develop. A research team led by Bradley Peterson at Children\’s Hospital Los Angeles, USA