The anemias most often associated with pregnancy are:

Folic acid and iron deficiency anemia are the most common anemias, prevalent in women of childbearing age with 50% of pregnant women having this type of anemia. Iron deficiency anemia during pregnancy is a result (usually) of the increase in the plasma level during pregnancy but not in the constituent level. Also, if a woman has this type of anemia prepregnancy, it gets worse during pregnancy.Physiological Adaptation