Iron Flashcards
1
Q
What is the additional iron requirement in pregnancy PER DAY?
A
4mg
4mg/day x250 days = 1000mg (so 1000mg of additional iron requirement for an entire pregnancy)
2
Q
What is the iron requirement in pregnancy in the last 133 days (1/2 of pregnancy)?
A
1,000mg (300 for the fetus/placenta, 500mg for the increased maternal hemoglobin, 200mg for the shedding from the GI, GU, skin)
This is an 800mg increase from normal steady state
3
Q
How much elemental iron comes from 325mg ferrous sulfate?
A
20% elemental iron = 65mg
10% of the elemental iron is absorbed so 6.5mg
Studies show there is little benefit to more than 1-2x/day administration
