Hookworm-Related Anaemia among Pregnant Women: A Systematic Review
2008

Hookworm and Anaemia in Pregnancy

Sample size: 19 publication 10 minutes Evidence: moderate

Author Information

Author(s): Simon Brooker, Peter J. Hotez, Donald A. P. Bundy

Primary Institution: London School of Hygiene and Tropical Medicine

Hypothesis

Is hookworm infection a significant risk factor for anaemia among pregnant women?

Conclusion

Increasing hookworm infection intensity is associated with lower haemoglobin levels in pregnant women in poor countries.

Supporting Evidence

  • Hookworm infection is a major cause of anaemia in poor communities.
  • Approximately 6.9 million pregnant women in sub-Saharan Africa are infected with hookworm.
  • Heavy hookworm infection is significantly associated with lower haemoglobin levels.

Takeaway

Pregnant women with hookworm infections have lower blood levels, which can make them very sick. We need to help them get treated.

Methodology

A systematic review of studies on hookworm infection and anaemia in pregnant women, including structured searches and data extraction.

Potential Biases

Slight evidence of publication bias and potential confounding by socio-economic status.

Limitations

Insufficient data to quantify the benefits of deworming and potential confounding factors affecting anaemia.

Participant Demographics

Pregnant women of reproductive age in sub-Saharan Africa.

Statistical Information

P-Value

0.008

Confidence Interval

−0.36 to −0.13

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pntd.0000291

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