Women who are pregnant can eat duck blood vermicelli occasionally and in moderation. But do not eat it often or in large quantities at one time.1. Duck blood in duck blood vermicelli is rich in iron, and the iron contained in duck blood is very easy to be absorbed and utilized by the body. Proper consumption of duck blood vermicelli during pregnancy can supplement iron and prevent the occurrence of iron deficiency anemia in pregnant women. Supplement the iron needed for the growth and development of the fetus.2. Some other vegetables are usually added to the duck blood vermicelli. These vegetables contain more vitamins and mineral-based nutrients, which can provide various nutrients needed for the growth and development of pregnant women and babies, and the dietary fiber in them can relieve the symptoms of constipation during pregnancy.