A cross-sectional descriptive observational study was carried out to design a system of actions to contribute to modify the preconceptional reproductive risk factors in adolescents of the Camajuaní II Popular Council, Villa Clara, Cuba, from March 2022 to May 2023. From the universe of 262 adolescents from 10 to 19 years old, a random sample of 65 young women was selected. Almost all the adolescents are in school; many are already sexually active, most of them unprotected; the early onset of sexual relations and the tendency to change partners frequently stand out. Several have become...