Research Article
Assessment of the Vitamin B12 Status of Pregnant Women in Nigeria Using Plasma Holotranscobalamin
Table 2
Summary of the biochemical analyses for pregnant women attending an antenatal clinic in Jos, Nigeria, for the first time in their current pregnancy.
| | Total | | Trimester | | | | 1 | 2 | 3 | | () | () | () | () |
| | Mean ± SD |
| Hemoglobin (g/L) | 108 ± 13 | 114 ± 11a | 107 ± 13 | 106 ± 14 | Hematocrit (%) | 37 ± 4 | 39 ± 4b | 36 ± 4 | 36 ± 4 | Vitamin B12 (pmol/L) | 199 (111–738)* | 346 (111–738)c | 197 (111–738) | 164 (111–738) | Holotranscobalamin (pmol/L) | 53 ± 28 | 52 (14–123) | 52 (15–128) | 45 (13–128) | Serum folate (nmol/L) | 20 ± 12 | 27 ± 12e | 19 ± 12 | 14 ± 5 | Red blood cell folate (nmol/L) | 240 ± 110 | 271 ± 132 | 241 ± 106 | 199 ± 86 | Homocysteine (μmol/L) | 7.7 ± 2.4 | 7.7 ± 2.1 | 7.7 ± 2.4 | 7.6 ± 2.9 | Ferritin (ng/mL) | 27.5 (4.8–285) | 55.6 (12–218)d | 24.4 (4.8–285) | 17.6 (6.8–160) |
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* Median (minimum-maximum); trimester 1 different from trimesters 2 and 3, a, b, c , d; esignificant difference between all trimesters, .
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