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Effects of prenatal iron interventions supplying ≤45 mg/day iron on birth weight and prevalence of low birth weight among offspring.
| Variables | Mean Difference 1 | Relative Risk | Studies, Participants (n) | I2 (%) | p Difference between Pooled Intervention and Control Groups |
|---|---|---|---|---|---|
| Birth outcomes | |||||
| Birthweight (g) | 38 (−16; 91) | 6, 13,627 | 58.2 | 0.17 | |
| Low birth weight (%) | 0.69 (0.38; 1.26) | 5, 12,845 | 63.1 | 0.23 | |
1 95% CI in parenthesis.
