For women, the results were more surprising. By once more placing her staff between them, she completed the cycle and was transformed back into a man. Around 75 per cent of men always have an orgasm during sex with their partner but only 26 per cent of women do. The so-called double standard is well-known, and well-represented in various types of cultural and religious iconography. Sex is the language men use to express their tender loving vulnerable side," Perel says. He is a professor of sociology at the University of Chicago and lead author of a major survey of sexual practices, The Social Organization of Sexuality: Northwestern University researcher Meredith Chivers and colleagues showed erotic films to gay and straight men and women. Laumann, PhD, professor of sociology, University of Chicago. Be sure to read the following responses to this post by our bloggers: Upon placing his staff between the two amorous serpents, he was suddenly transformed into a woman. As men and women age, each fantasize less, but men still fantasize about twice as often. That was the thoroughly depressing result of a study published in the Sexuality and Relationship Therapy journal last year. Women with higher education levels were more likely to have performed a wider variety of sexual practices such as oral sex ; education made less of a difference with men. Men have every incentive to have sex to pass along their genetic material, Laumann says. But the ways that women experience and express their sexuality are often very different from their male partners. It isn't just women who fake orgasms, Tracey says that men are just as guilty though is likely to fake a climax for different reasons Women who have sex with women have significantly more orgasms than women who have sex with men, probably because it includes more oral sex.