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Table 1: plasma hemoglobin concentration of non-pregnant and pregnant women |
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State |
Mean Hb Concentration (mg/dl) |
Acceptable Lower Limit, mg/dl (Mean -2SD) |
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Non-pregnant (n=53) |
11.9 ± 1.15 |
9.6 |
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Pregnant |
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1st trimester (n=39) |
12.1 ± 1.22 |
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2nd trimester (n=78) |
12.0 ± 1.44 |
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3rd trimester (n=45) |
11.9 ± 1.85 |
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Pregnant-All (n=162) |
12.0 ± 1.43 |
9.0 |
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1st trimester = ≤ 12 weeks pregnancy, 2nd trimester = 13 – 27 weeks pregnancy, 3rd trimester = ≥ 28 weeks pregnancy. F(0.147), df 3, p = 0.931 |
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