Table 1: Socio-demographic characteristics of the 30 pregnant adolescents.
| Characteristics | N (%) |
| Education | |
| Elementary school | 21 (70.0) |
| High school (graduated or non-graduated) | 09 (30.0) |
| Family income (per year) | |
| US$ 15.000-45.000 | 19 (64.0) |
| > US$ 45.000 | 04 (13.0) |
| Not know | 07 (23.0) |
| Habits | |
| Tobacco | |
| Never used | 25 (83.3) |
| Before pregnancy | 05 (16.3) |
| During pregnancy | - |
| Alcohol | |
| Never drank | 17(56.6) |
| Socially, before pregnancy | 13 (43.3) |
| During pregnancy | - |