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General Characteristics of Sickle Cell Pregnancy by Genotype.
| Variables | HbSS/alpha-thal (n = 101) | HbSS/HPFH (n = 121) | HbSS (n = 758 | P (anova) | |||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||
| Maternal age (year) | 23.2 | 3.4 | 24.6 | 2.5 | 20.9 | 1.2 | 0.06 |
| Menarche age (year) | 12 | 1.2 | 13 | 1.4 | 16 | 1.9 | <0.001 |
| Parity (n) | 2 | 1.5 | 3 | 1.5 | 2 | 1.5 | 0.09 |
| Gestational age (weeks) | 37 | 1.9 | 36 | 1.5 | 35 | 2.2 | 0 .06 |
| Gravitational weight gain (Kg) | 6.2 | 1.1 | 5.4 | 1.9 | 3.1 | 1.4 | <0.001 |
