What type of study is this?

This is a Meta-Analysis study (also classified as: Systematic Review).

December 8, 2025BloodOpen Access

Diagnostic test accuracy of serum ferritin and prevalence of iron deficiency in pregnant and menstruating individuals: A systematic review and meta analysis

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Systematic review reveals iron deficiency prevalence of 38% during pregnancy, indicating diagnostic test accuracy varies by serum ferritin cut-off.

Pooled data shows 38% prevalence of iron deficiency in pregnant individuals, with significant trimester differences.
Cohort studies revealed diagnostic test accuracy for serum ferritin varies notably by cut-off levels, impacting clinical decisions.
Systematic review and meta-analysis utilized 128 studies to evaluate iron deficiency and anemia prevalence in menstruating individuals.
High risk of bias identified in diagnostic test accuracy assessments may limit the strength of evidence for clinical guidelines.

Choaib et al. (2025) studied this question.

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Systematic review reveals iron deficiency prevalence of 38% during pregnancy, indicating diagnostic test accuracy varies by serum ferritin cut-off.