Haemoglobin is an important component of the red blood cells (RBCs) that transfers oxygen from the lungs to the body tissues and again carries carbon-dioxide back from the tissues to the lungs. The iron molecule present in haemoglobin is also responsible for maintaining the disc shape of the red blood cells. It is very important to maintain the normal count of haemoglobin in a human body. For adult male, haemoglobin should be maintained at a range of 13.6 to 17.7 g/dl and an adult female should have haemoglobin ranging between 12.1 to 15.1 g/dl. It is equally important to keep your child’s haemoglobinat check too. Children between 6 to 12 year should have haemoglobin ranging from 11.5 to 15.5 g/dl. Always keep your haemoglobin on check and look for symptoms like fatigue, increased heart rate, shortness of breath, leg cramps, loss of appetite and insomnia that might lead to anaemia from inadequate amount of haemoglobin in blood. If you suffer from any of these symptoms, visit your nearest pathology at the earliest to get a haemoglobin test done.