Introduction:

The objective of this work is to relate previous knowledge about contraceptive methods with the acquired knowledge after an educational intervention with Simulator.

Method:

It is a study of 295 school adolescents enrolled in ninth, tenth, and eleventh in a public educational institution. It is descriptive. The process consisted of three phases; the first was measured knowledge or previous knowledge about contraceptive methods, using a self-reported questionnaire; the second was defined the contents and activities of intervention for improving the background, and in the third phase of post-intervention educational re-evaluated the knowledge acquired with the simulator.

Result.

Detected that the pre-knowledge in methods of contraception are poor regardless of age and schooling, which requires planning, development and evaluation of the strategy of collective and cooperative learning through workshops. As for the post-knowledge, was obtained a rating of poor to regular, in the case of the male condom, while the recognition of modern methods such as patch, vaginal ring, IUD, among others, by their physical appearance and location by direct contact with the simulator.

Conclusión.

Stressing that despite differences of age and education, there were no relevant findings that demonstrated differences in knowledge. In the pre-knowledge, found leveis of knowledge deficient about contraception. The use of simulators as a learning tool demonstrated effectiveness in the workshops; regarding simulators make possible rupture of the cognitive barrier, since the adolescent, in this case, can explore and acquire knowledge to interact with the aim of learning.