Level 1: Causes and harms of anemia in pregnant women 1. Causes of anemia in pregnant women Anemia in pregnant women is caused by insufficient number of red blood cells or insufficient hemoglobin content in red blood cells during pregnancy. This is mainly due to the fact that pregnant women need to provide nutrients for their fetuses, which leads to an increase in the demand for nutrients such as iron and folic acid, which are essential for the production of red blood cells. 2. The dangers of anemia in pregnant women. If a pregnant woman suffers from anemia, it will affect