Teenage pregnancy refers to that between early adolescence or puberty. Pregnancy and maternity during this period involves different consequences to personal, family and social level. Stressing question as mortality, morbidity, abortion, sexually transmitted diseases, school dropout, positions of vulnerability, poverty reproduction, etc. On the other hand there are factors that favor the existence of this problem such as: geographical, social and family and individual issues, public policies, existing resources, the educational level or knowledge about, styles of unhealthy lifestyle, early marriage the traditional gender roles assigned to women, etc. Using as shown in 6 mothers at an early age and 6 parents of teenage mothers Metropolitan Area of Monterrey, a qualitative research arises through content analysis and categorization of interviews with the aim of identifying perceptions have regarding pregnancy early age. As well as the causes, consequences and measures in place. The results show the manifestation of different individual causes, political, social and family in the sample, as well as various individual consequences both as family. It also shows that the school is the main source of information. That is why intends to review the relevant preventive and intervention measures taking into account the mothers who are now teenagers to minimize the potential consequences described.