<unk>  can be broadly divided into physiological causes as that seen during growth and pregnancy and due to pathological process. The pathological process could be further divided based on blood loss and inadequate<unk>  absorption.
Iron deficiency anemia causes
Folate deficiency causes
Hemolytic anemia causes
Vitamin B12 deficiency causes
Macrocytic anemia risk factors
Sideroblastic anemia risk factors
Hemolytic anemia risk factors
Splenomegaly causes