Evidencia (3) Colombie (2) Teenagers (2) Contraceptives (2) Birth control (2) Factores (2) Control de natalidad (2) Anticonceptivos (2) Adolescentes (2) Conocimiento (2) Grenade (1) Youth (1) Women--Employment (1) Women (1) Sexually transmitted diseases (1) Unmarried mothers (1) Trials (1) Students (1) Research (1) Poverty (1) Population (1) Married women (1) Human behavior (1) Health facilities (1) Health (1) Economics (1) Determinants (1) Communities (1) Attachment and garnishment (1) Abortion (1)