School failure (1) Survival analysis (Biometry) (1) Teenagers (1) Women (1) Pregnant women (1) Pregnancy (1) Months (1) Health (1) Family size (1) Dwellings (1) Determinants (1) Abortion (1) Meses (1) Familias numerosas (1) Determinantes (1) Fracaso escolar (1) Factores (1) Salud (1) Análisis de la supervivencia (1) Estudio (1) Mujeres embarazadas (1) Información (1) Embarazo (1) Adolescentes (1) Aborto (1) Mujeres (1) Viviendas (1) grossesse (1) régression (1) rondelle (1)