This Video explains about Anaemina. Anemia is the most common disorder of the blood. The several kinds of anemia are produced by a variety of underlying causes. It can be classified in a variety of ways, based on the morphology of RBCs, underlying etiologic mechanisms, and discernible clinical spectra, to mention a few. The three main classes include excessive blood loss (acutely such as a hemorrhage or chronically through low-volume loss), excessive blood cell destruction (hemolysis) or deficient red blood cell production (ineffective hematopoiesis). Lower than normal blood cells in the blood Measured by red blood cell count and hemoglobin below-10 gm/dil Anaemia cut off points Adult Male – below 13 g/dl Non pregnant adult Female-below 12 g/dl Female with pregnancy-below 11 Gms/dl Children 6 months to 6 ys -11 g /dl Children 6 years to 14 ys-12 g/dl Causes Folic acid deficiency Vitamin B12 deficiency Iron deficiency Certain diseases causing destruction of blood cells hemolytic anemias Repeated infections(like malaria) Some kinds of bone marrow diseases Blood loss due to injury, diseases Poor diet leading to malnutrition Inadequate diet intake during pregnancy Heavy menstrual periods in women Signs & symptoms Fatigue Chest pain Shortness of breath Swelling of the body Pallor of skin Source : Portal content team