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J Am Acad Dermatol. 2010 Dec;63(6):991-9. doi: 10.1016/j.jaad.2009.12.006. Epub 2010 Oct 13.

Iron deficiency in female pattern hair loss, chronic telogen effluvium, and control groups.

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  • 1Duke University Medical Center, Durham, North Carolina 27710, USA.

Abstract

BACKGROUND:

The literature suggests that iron deficiency (ID) may play a role in female pattern hair loss (FPHL) or in chronic telogen effluvium (CTE).

OBJECTIVE:

We sought to determine if ID is more common in women with FPHL and/or CTE than in control subjects without hair loss.

METHODS:

This was a controlled study of 381 Caucasian women aged 18 years or older with FPHL or CTE seen in the Duke University Hair Disorders Clinic, Durham, NC, and 76 Caucasian women aged 18 years or older from the university environs who had no history or physical findings of hair loss (control subjects). All participants had to have at least a serum ferritin and hemoglobin reading and history of menopausal status.

RESULTS:

When ferritin less than or equal to 15 μg/L was used as the definition, ID occurred in 12.4%, 12.1%, and 29.8% of premenopausal women with FPHL (n = 170), CTE (n = 58), and control subjects (n = 47), respectively, and in 1.7%, 10.5%, and 6.9% of postmenopausal women with FPHL (n = 115), CTE (n = 38), and control subjects (n = 29), respectively. When ferritin less than or equal to 40 μg/L was used as the definition, ID occurred in 58.8%, 63.8%, and 72.3% of premenopausal women with FPHL, CTE, and control subjects, respectively, and in 26.1%, 36.8%, and 20.7% of postmenopausal women with FPHL, CTE, and control subjects, respectively. There was no statistically significant increase in the incidence of ID in premenopausal or postmenopausal women with FPHL or CTE versus control subjects.

LIMITATIONS:

The effect of correction of ID on hair loss is unknown.

CONCLUSION:

ID is common in women but not increased in patients with FPHL or CTE compared with control subjects.

Copyright © 2010 American Academy of Dermatology, Inc. Published by Mosby, Inc. All rights reserved.

Comment in

  • Iron deficiency and hair loss--nothing new? [J Am Acad Dermatol. 2011]
PMID:
20947203
[PubMed - indexed for MEDLINE]
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