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Cover of Screening for Iron Deficiency Anemia in Childhood and Pregnancy

Screening for Iron Deficiency Anemia in Childhood and Pregnancy

Update of the 1996 U.S. Preventive Task Force Review

Evidence Syntheses, No. 40

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Rockville (MD): Agency for Healthcare Research and Quality (US); .
Report No.: 06-0590-EF-1

Structured Abstract

Background:

To update its 1996 guidelines, the U.S. Preventive Services Task Force (USPSTF) commissioned this brief update of the evidence on selected questions about screening for iron deficiency anemia (IDA) in children, adolescents, and pregnant women.

Methods:

We searched relevant databases, Web sites, journals, and reference lists for systematic reviews, epidemiologic surveys, and controlled trials published in 1995 or later that contained new information about the prevalence, diagnosis, natural course, or treatment of iron deficiency anemia in asymptomatic persons in developed countries. One investigator rated the quality of included trials and summarized their results in tables.

Results:

In the U.S., the average prevalence IDA in target groups is: Infants 1–2 years (6 to 17 per 1000), teenage girls (1.5%), nonpregnant females of reproductive age (2% to 5%). Factors associated with a higher prevalence include prematurity and low birth weight, black or Mexican-American race, Alaskan native heritage, recent immigration, poverty and, among teenage girls, fad dieting or obesity. The prevalence among pregnant women is not known.

For cognitive and school outcomes, trials of iron supplementation for iron deficiency anemia have had mixed results. Most trials conducted in high-risk groups within developed countries did not demonstrate any benefit for infants and preschool children, but one trial in high-risk infants demonstrated a transient benefit.

540 Gaither Road, Rockville, MD 20850. www​.ahrq.gov

Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239.

Prepared for: Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services.1 Contract Number 290-02-0024. Prepared by: Oregon Evidence-based Practice Center.2

1

540 Gaither Road, Rockville, MD 20850. www​.ahrq.gov

2

Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239.

Bookshelf ID: NBK33399PMID: 20722137
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