Despite these developments, sexual education in Belgium faced challenges and controversies. Some of the issues included:

In the early 1990s, Belgium was experiencing a significant shift in its approach to sex education. The country's education system was undergoing reforms, and sex education was becoming increasingly recognized as an essential component of a well-rounded education. In 1991, the Belgian government introduced new guidelines for sex education in schools, aiming to provide students with comprehensive and age-appropriate information about sexual health, relationships, and reproduction.