"A History of Sex" refers to an exploration of the various aspects of human sexuality throughout different historical periods. It aims to examine how societies and cultures have perceived, experienced, and regulated sex over time.

This kind of documentary or academic study would delve into the different cultural, religious, and societal norms that have shaped human sexual behavior and attitudes throughout history. It would explore how sex was understood, discussed, and practiced in ancient civilizations, medieval times, through the Renaissance and Enlightenment eras, and up to the modern era.

A comprehensive "History of Sex" would likely cover topics such as changing attitudes towards sexuality, gender roles, sexual practices, contraception, marriage, and the influence of religious beliefs and social constructs on sexual behavior. It would examine how cultural and societal shifts have affected sexual freedom, sexual education, and the perception of sexual minorities.

Moreover, a nuanced exploration of the history of sex would acknowledge the diverse perspectives and experiences of different cultures, regions, and social classes, as well as the influence of colonization and globalization on sexual norms and practices.

Such a historical study of sex would not only shed light on human sexuality throughout time but also provide insights into the social, cultural, and political forces that have shaped our understanding of sex and influenced sexual behaviors and norms. It can contribute to a deeper understanding of the complexities surrounding sexuality and provide a broader context for contemporary discussions on sexual identity, consent, and sexual rights.