| Non-pregnant women | Pregnant women | |
---|---|---|---|
n | 63 | Total | 382 |
 |  | 10s (10 − 19 years old) | 6 (1.6%) |
 |  | 20s (20 − 29 years old) | 172 (45.0%) |
 |  | 30s (30 − 39 years old) | 194 (50.8%) |
 |  | 40s (40 − 49 years old) | 10(2.6%) |
Age, mean ± SD | 20.2 ± 0.8 |  | 30.0 ± 4.7 |