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After Vasectomy, Men Still Have Frequent Sex

Researchers from the Stanford University School of Medicine looked at data from 5,838 men age 25 and over who participated in the National Survey of Family Growth. Three hundred fifty-three of the men had had a vasectomy.

The scientists found that vasectomized men had sex 5.9 times a month, on average, compared to 4.9 times a month for men who had not undergone vasectomy.

Women’s data were also analyzed. Of 5,211 female participants, 670 had vasectomized partners. The average sexual frequency for the latter group was 6.3 times per month. Women whose partners had not had a vasectomy had sex about 6 times each month, on average.

Why was sex more frequent for vasectomized men and their partners? They study authors offered several possible explanations.

It could be that couples are less concerned about unplanned pregnancy, prompting them to have sex more freely. Men who have a vasectomy could be more sexually active in general. Or, they could be having more frequent sex as a way to make up for the “demasculinization” of vasectomy. More research is needed in this area.

Print this article or view it as a PDF file here: After Vasectomy, Men Still Have Frequent Sex


The Journal of Sexual Medicine

Guo, David P., MD, et al.

“Relationship between Vasectomy and Sexual Frequency”

(Full-text. First published online: August 14, 2015)

Urology Care Foundation

“What is a Vasectomy?”

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