<prompt> The following statements are related to the therapy of iron deficiency anaemia exceptOral iron can be given only If anemia is detected before 20 weeks of pregnancyParenteral iron therapy markedly increases the reticulocyte count within 7-14 daysParenteral therapy is ideal during 30-36 weeksBlood transfusion may be useful in severe anaemia beyond 36 weeks  <response>: 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 