In the study, led by Maryanne Fisher, a professor at St Mary's University in Halifax, Canada, researchers found that the women participants felt guiltier after falling in love with someone, rather than trying different sexual positions with them.
While the men said they would feel guiltier having sex without emotion rather than love without sex, according to news reports.
Fisher said: "If someone assumes their partner is most concerned with the same form of infidelity they are most concerned about they could make false inferences leading to feelings of guilt."
The study also found women, rather than men, would be more likely to leave if they found out their partner was sleeping with someone else.
Photos: 'Dangal' girls Sanya Malhotra, Fatima Sana Shaikh's dinner outing
Photos: Salman Khan, Daisy Shah spotted at the Mumbai airport
Photos: Rakhi Sawant to play Honeypreet in Ram Rahim biopic
Photos: Arvind Kejriwal asks Kamal Haasan to join politics
Photos: TV actress who played goddesses on the small screen