This study appears in the January 2007 issue of the journal Archives of Gynecology and Obstetrics: "Flaturia: passage of flatus at coitus. Incidence and pathogenesis." In case you need help interpreting the title, that would be the passing of gas during sex. 9 women who normally had "fecal and flatus control" but who "leaked flatus only during coitus" were studied in comparison to 9 women who do not experience this problem, through studies of rectal and anal pressure "at rest and at on voluntary squeeze." The testing utilized a balloon probe with was inserted 6cm into the anal canal and withdrawn 1cm at a time, with pressure readings recorded. Electrodes, X-rays, and barium enemas were also used. The investigators found that pressure levels in the patients matched those of the healthy volunteers. The authors' conclusions? They're not sure what the exact mechanism is, but think the gas passing is related to penile thrusting and more relaxed rectums.
This research really isn't that notable, but I wonder how they found and convinced women to participate in the study?
Technorati Tags: flatulence; sex
MeSH Tags: Flatulence; Coitus
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