Efectividad de la funcionalidad familiar con padre adolescente en San Gil

introduction: the increase of the teenager pregnant woman led us to study as a complement the families of the teenager father presenting the following question: what is the effectiveness of the family's functionality as far as teenager fathers are concerned in order to determine the effectiveness of their functionality. methodology: it was a transversal descriptive study done with 90 families of teenager fathers in which the socio-demographic index was applied as well as the instrument known as the effectiveness of the family's functionality (friedemann). results: the teenager fathers (41.1%) from secondary education institutions work (67.8%). as far as the couples living together apply: 45.6% nuclear family, and (56.7%) in situations known as "free union"; in the groups of 4 and 6 people (57.8%) and in the groups of a monthly economic income of a minimum salary (63.3%) and only a 2.2% applied to a high level. conclusion: we arrived to the conclusion that 64.4% are families with difficulties in the family organization and growth. salud uis 2011; 43(1): 63-69.