Iran's schools and universities offer no sex education
27 June 2012 Last updated at 11:46 BST
The Islamic Republic of Iran's national curriculum does not offer any lessons in sex education.
According to Iran's Home Office, overall number of divorces is increasing.
Analysts suggest that sexual disagreements between couples is a major cause of break-ups.
Karen Zarindast reports.
Video produced by BBC Persian's Saeedeh Hashemi