Six months pregnant anemia serious may be fetal growth and development needs, partial or picky eating, disease bleeding and other reasons, pregnancy is more common is iron deficiency anemia. 1. Fetal growth and development needs: six months pregnant due to fetal growth and development needs, the relative increase in the need for iron, anemia during pregnancy is mostly due to iron deficiency caused by iron-deficiency anemia, anemia is more serious, in the dietary supplement at the same time to take iron supplement drugs to correct anemia. 2. partial food or picky eating: six months pregnant usually excessive partial food or picky eating, dietary intake of iron content is too small will cause severe iron deficiency anemia, usually pay attention to nutritional supplementation, to achieve balanced nutrition. 3. Disease bleeding: six months pregnant with gastric ulcers, duodenal ulcers, hemorrhoids and other diseases can cause bleeding, bleeding is more or longer may cause more serious anemia, to stop the cause of the bleeding treatment. Six months pregnant anemia serious causes are more, to go to the hospital after examination targeted treatment, reduce the impact on fetal growth and development.