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Prevalence of IDA in pregnancy - Idpas.org

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Placental Iron Transfer<br />

• Fe transport via transferr<strong>in</strong> receptors and<br />

ferrit<strong>in</strong> receptors on placental trophoblasts.<br />

• Liao et al. 2001, placental Fe transfer:<br />

- If Fe adequate, placental Fe transport via TfR<br />

and FnR<br />

- In mild ID/A, › #TfR and #FnR, but fl TS<br />

- In severe ID/A, no further › receptor #s and<br />

also low TS and low ferrit<strong>in</strong>.

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