A new study by Norwegian researchers revealed that women tend to regret casual sex more than men – but not enough to stop themselves from having more one-night stands. The study also found out that women experience higher levels of ‘sexual regret,’ which means they’re more likely to wish they hadn’t hooked up with a random person.

On the other hand, Men regret passing up ‘short-term sexual opportunities’ more than women, reports dailymail.co.uk.

The experts also found out that sexual regrets don’t really contribute to any real change in behaviour.

In women, this change of behaviour would be reducing the number of one-night stands, as well as choosing better quality partners and shifting strategies to long-term relationships.

“We are not that surprised,” said study author Professor Leif Edward Ottesen Kennair at the Norwegian University of Science and Technology (NTNU).

“For the most part, people continue with the same sexual behaviour and the same level of regret.”

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The research team previously found 35% of women feel guilty about having casual sex, compared with 20% of men.

Factors that drive this difference include pregnancy concerns, STD infections, and getting a bad reputation, they revealed.

For their study, researchers recruited 621 participants who answered a questionnaire about sexual regret two times, at approximately 4.5-month intervals.

This approach made it possible to study changes over shorter periods of time.

‘We wanted to examine if their level of regret contributed to a change in behaviour the next time around,’ said Professor Mons Bendixen, also at NTNU.

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Both women and men regretted what they did the last time an opportunity for casual sex arose, but they often regretted completely different choices.