43. Iron & pregnancy.
iron requirements in singleton pregnancy increase from about 2.5 mg. per day in the first trimester to about 6.5 mg. per day in the third trimester.
|b.||> 90% of anaemia in pregnancy is of the iron deficiency type.|
|c.||ferritin levels are the most accurate measure of iron deficiency.|
|d.||~ 40% of pregnant women will have side-effects on oral iron.|
|e.||side effects or oral iron vary according to the particular salt used.|
|f.||vitamin C enhances absorption of iron.|
|g.||intramuscular preparations of iron exist.|
|h.||intravenous preparations of iron no longer exist since the withdrawal of iron dextran preparations due to the risk of anaphylaxis.|
|i.||ferrous salts are better absorbed than ferric salts.|
|j.||erythropoietin has been used in extreme cases and is not contraindicated in pregnancy.|
(See also MCQ2, question 26 & MCQ7, question 22.)