Sexuality is not merely a biological matter; it is deeply connected with gender, culture, law, morality, social institutions and power relations. The debates on sexuality therefore examine how societies define acceptable sexual behaviour, regulate sexual identities and determine whose desires and relationships are considered legitimate. Feminist and gender studies have challenged the assumption that sexuality is purely private and natural, showing that it is also socially constructed and legally regulated. One important debate concerns the distinction between sex and sexuality. Sex is generally associated with biological characteristics, whereas sexuality refers to sexual desires, identities, practices and relationships. However, even ideas about biological sex are influenced by social and cultural classifications. Traditional societies often establish rigid expectations regarding masculinity and femininity and assume heterosexuality as the normal form of sexual relationship. Feminist scholars have questioned this assumption by showing how patriarchal institutions regulate women's sexuality more strictly than men's sexuality. For example, women may be judged harshly for having premarital or multiple sexual relationships, while similar behaviour by men