It is beneficial to eat walnut during pregnancy.
Walnut is rich in omega-3 fatty acids which are good for the brain development of the fetus.
Walnut is also rich in many antioxidants which include vitamin E, copper. These antioxidants can help to boost immune system of the pregnant women.
Walnut is also beneficial to the heart by regulating blood pressure and controlling blood cholesterol level. High blood pressure can lead to many pregnancy complications.
Furthermore, walnut can help to fight stress and induce more sleep.
Eating 4 or 5 walnuts a day is considered optimal for pregnant women, eating walnuts in excessive can lead to problem such as excessive weight gain which should be avoided.