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Incidence of IDA in adolescent and adult pregnancies.
| Iron deficiency anemia at test 2 or 3 | ||||||
| Total Patients | Test 2 | Test 3 | Total | Percent | p-value‡ | |
| Adolescents | ||||||
| Iron | 20 | 3 | 1 | 4 | 20 | |
| Placebo | 17 | 5 | 5 | 10 | 59 | 0.021 |
| Adults | ||||||
| Iron | 38 | 1 | 4 | 5 | 13 | |
| Placebo | 36 | 7 | 8 | 15 | 42 | 0.008 |
‡p-values compare iron to placebo in each group.
