The following statements are related to the therapy of iron deficiency anaemia except

Oral iron is preferred till 30 weeks of pregnancy even in severe anemia If their is intolerence or noncompliance, parenteral iron is given. Between 30 and 36 weeks, parenteral iron is preferred and after 36 weeks blood transfusion. Oral folate is mandatory in all cases Reference :Textbook of Obstetrics; Sheila Balakrishnan; 2nd edition; Page no: 288