What are the causes of iron deficiency?
♦ Blood loss
Chronic or frequent blood loss as menstruation and peptic ulcer causes iron deficiency. That happens because of the loss of red blood cells that contain iron.
Pregnancy and breast-feeding women, because the nutritional demand of the infant increases the consumption of iron and may cause iron deficiency for the mother if not prevented with supplements.
♦ Low iron intake
Low iron diet or Plant-based diet as iron in animal products is absorbed better while plant source contains a non-heme form, less iron and interact with the acid that decreases its absorption.
♦ Poor iron absorption
A gastric operation might also lead to iron deficiency because it removes part of the stomach that contains an intrinsic factor that promotes iron absorption.