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Causes of Iron Deficiency and Iron Deficiency Anaemia1

Insufficient iron – or iron deficiency (ID) – can make it difficult for the body to produce enough haemoglobin in the red blood cells which is required to carry oxygen. When decreased iron in the body leads to a lack of healthy red blood cells being produced, this results in iron deficiency anaemia (IDA). ID and IDA have numerous causes, including:
  1. Mayo Clinic. Iron deficiency anemia. 2016. [cited 2022 June 2]. Available from: URL: