Prenatal care according to age group (years)
| 13–15 | 16–17 | 18–19 | All teenagers | 25–29 | p Value* for difference | |
|---|---|---|---|---|---|---|
| N | 84 | 1234 | 5987 | 7305 | 51 142 | |
| All antenatal visits (mean±SD) | 14.6±6.0 | 16.1±5.8 | 16.5±5.3 | 16.4±5.4 | 16.5±4.7 | <0.001 |
| Hospital polyclinic visits (mean±SD) | 4.3±2.3 | 3.7±2.9 | 3.1±2.7 | 3.2±2.8 | 2.7±2.5 | <0.001 |
| First antenatal visit, gestational weeks | 18.8±9.0 | 12.6±7.2 | 10.2±5.0 | 10.7±5.6 | 9.0±3.1 | <0.001 |
| First antenatal visit ≥ 20 gestational weeks | 43 (51.2) | 192 (15.6) | 358 (6.0) | 593 (8.1) | 728 (1.4) | <0.001 |
| Low attendance (%) | ||||||
| <50% of expected visits | 4 (4.9) | 65 (5.4) | 141 (2.4) | 210 (3.0) | 691 (1.4) | <0.001 |
| First trimester ultrasonographic screening | 30 (35.7) | 671 (54.4) | 3733 (62.4) | 4434 (60.7) | 37 429(73.2) | <0.001 |
| Second trimester ultrasonographic screening | 45 (53.6) | 850 (68.9) | 4299 (71.8) | 5194 (71.1) | 39 620(77.5) | <0.001 |
* p Values refer to differences between all the age groups.