A film that focuses on the sexual changes that occur in the minds and bodies of adolescent boys and girls. It explains the process from sexual contact to childbirth, as well as contraception.
| Actor | Role |
|---|---|
| RRicardo FrancoNot listed | Not listed |
 Concha LezaNot listed | Not listed |
| FFátima OlaizolaNot listed | Not listed |
| MMatilde OlaizolaNot listed | Not listed |
| SSusana OsunaNot listed | Not listed |
| MMaría Luisa PonteNot listed | Not listed |
 Antonio ResinesNot listed | Not listed |
| FFernando VivancoNot listed | Not listed |