A randomized controlled trial examining the addition of folic acid to iron supplementation in the treatment of postpartum anemia

D.A.A. van der Woude, J. de Vries, E.M. van Wijk, J.M. Verzijl, J.M. Pijnenborg

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Objective
To evaluate the efficacy of adding folic acid to oral iron supplementation in postpartum women with anemia.
Methods
A randomized controlled trial was conducted in the Netherlands between April 8, 2008, and August 31, 2010. A total of 112 postpartum women with anemia (hemoglobin < 10.5 g/dL) were randomly allocated to receive 600 mg/day ferrous fumarate plus 1 mg/day folic acid (FFFA group) or 600/day ferrous fumarate alone (FF group) for 4 weeks. Primary outcome measures were hemoglobin and health status. Secondary outcome measures were fatigue, compliance, and adverse reactions.
Results
No between-group differences were observed in hemoglobin and health status after treatment, and no differences were found in fatigue scores. Approximately 75% of all women reported having at least one symptom resulting from ferrous fumarate use. Constipation caused by ferrous fumarate was significantly associated with non-compliance (P = 0.014).
Conclusion
The addition of folic acid to iron supplementation is not beneficial in women with postpartum anemia, as it has no effect on hematologic or health status parameters.
Original languageEnglish
Pages (from-to)101-105
JournalInternational Journal of Gynecology & Obstetrics
Volume126
DOIs
Publication statusPublished - 2014

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