Table 3.
Vitamin D status in early and late pregnancy and neonatal cord serum (n = 179).
| 25(OH)D serum concentrations | Early pregnancy (≤20 weeks of pregnancy) | Late pregnancy(28–40 weeks of pregnancy) | At birth (neonatal cord serum) |
|---|---|---|---|
| Frequency (%) | Frequency (%) | Frequency (%) | |
| 25(OH)D serum concentration (nmol/L) (Mean ± SD) | 32.51 ± 11.92 | 32.30 ± 12.98 | 31.34 ± 13.45 |
| Severe deficiency (<25 nmol/L) | 52(29.1%) | 51(28.5%) | 50(27.9%) |
| Mild deficiency (25 – <50 nmol/L) | 109(60.9%) | 113(63.1%) | 122(68.2%) |
| Insufficiency (50 – <75 nmol/L) | 17(9.5%) | 13(7.3%) | 7 (3.9%) |
| Sufficiency (≥75 nmol/L) | 1(0.6%) | 2(1.1%) | 0(0.0%) |
| Deficiency (<50 nmol/L) | 161(89.9%) | 165(92.2%) | 172(96.1%) |
| Sufficiency (≥50 nmol/L) | 18(10.1%) | 14(7.8%) | 7(3.9%) |
Italic = Mean ± SD.