Puberty Sexual Education For Boys And Girls 1991 Belgiumrar -

A search on archival platforms like Erfgoedbank (Flemish heritage) or Openbare Bibliotheek might uncover physical copies, but no official digital archive uses that exact keyword.

“From age 11 to 14, the larynx grows, and the voice breaks. Semen production begins. Ejaculation may occur during sleep. This is natural and not harmful.” puberty sexual education for boys and girls 1991 belgiumrar

If you are looking for academic research on this topic from that era in Belgium, a related 1985 study (published slightly earlier) titled "The Secular Trend of Height and Menarche in Belgium" examined physical and sexual maturation in 4,177 subjects in Brussels. Sexuele voorlichting (Video 1991) - IMDb A search on archival platforms like Erfgoedbank (Flemish