Oral contraceptives may reduce libido

Taking an oral contraceptive pill may diminish women’s libido, a Swedish study suggests.

The prospective randomised controlled trial of 340 women aged 18-35 compared the sexual function of women taking a pill containing 150μg levonorgestrel and 30μg ethinylestradiol with others on placebo.

The trial found that pill users experienced a significant reduction in the sexual function measures of desire, arousal and pleasure compared with placebo.

However, four of the seven measures of sexual function — orgasm, concern, responsiveness and self-image — were similar in both groups.

There was no difference in the frequency of sexual episodes between groups.

The Swedish authors of the independently funded study concluded that the levonorgestrel pill had no overall negative impact on sexual function.

However, Professor Susan Davis