Table 4 Physiologic Requirements for Iron in Different Pregnancy Periods
| Trimester | N | Iron physiological requirement (μg.d−1) | Iron physiological requirements adjusted by weight (μg.kg−1.d−1) |
|---|---|---|---|
| First | 4 | 2039.07 ± 1863.59 | 32.28 ± 28.81 |
| Second | 4 | 3258.90 ± 835.73 | 46.90 ± 14.6 |
| Third | 3 | 4134.47 ± 580.41 | 55.74 ± 13.05 |