85 per cent of boys
The majority of the teens who completed the study’s questionnaire identified as cisgender and heterosexual. A total of 1.5 per cent identified as gender diverse (non-binary, trans, genderfluid or agender) and 17.9 per cent as sexually diverse (non-heterosexual).
Overall, 73 per cent of the teen girls reported having achieved orgasm through masturbation or with a partner, compared to 85 per cent of the boys.
“We ran logistic regressions to predict the occurrence of orgasm (the dependent variable) as a function of gender (the independent variable), while controlling for other variables such as sexual experience,” explained Girouard. “The girls had a 45-per-cent probability of experiencing orgasm during masturbation – barely more than half the rate for boys – and a 56-per-cent probability during sex with a partner.”
The study also found that couple configuration played an important role. For example, teen girls who partnered with boys were at a particular disadvantage compared to girls partnered with girls or boys partnered with girls.
“In teens, the likelihood of sexual pleasure depends not only on gender, but also on who they are partnered with,” concluded Girouard.
Girouard believes that the orgasm gap in teens can be attributed to various biological, psychological and social factors that affect sexual health, such as limited anatomical knowledge and the persistence of taboos.
“The scientific literature suggests that cisgender girls know little about their anatomy and what makes them orgasm; it may be because they don’t talk about it, because it isn’t taught, or because masturbation can evoke feelings of shame,” said Girouard, noting that these hypotheses require further investigation.