Robert C. Kane, MD
Disclosures: Authors have disclosed no conflicts of interest. Forms can be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=L15-0319.
Kane RC. Routine Iron Supplementation and Screening for Iron Deficiency Anemia in Pregnancy. Ann Intern Med. 2015;163:399-400. doi: 10.7326/L15-5132
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Published: Ann Intern Med. 2015;163(5):399-400.
TO THE EDITOR:
To interpret the results of the trials included in Cantor and colleagues' review (1), we need to know 1 additional fact: Did the women in fact take the iron pills during pregnancy? If that fact is not known, the trials cannot be interpreted. Although I have no firsthand experience, I have been told that taking iron pills during pregnancy is a daunting task. At best, using the intention-to-treat population, we could conclude that the trials as designed and conducted did not show a benefit. It does not mean that none exists.
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