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The shape of a woman's lips may predict the
likelihood of her having an orgasm: a prominent and
sharply raised lip tubercle was associated with
greater odds of ever having a vaginal orgasm.
Recent studies have uncovered multiple markers of
vaginal orgasm history (unblocked pelvic movement
during walking, less use of immature psychological
defense mechanisms, greater urethrovaginal space).
Other markers (perhaps of prenatal origin) even
without obvious mechanistic roles in vaginal orgasm
might exist, and a clinical observation led to the
novel hypothesis that a prominent tubercle of the
upper lip is such a marker.
Stuart Brody, a psychology professor at the
University of the West of Scotland, is famous for
some of his studies, like ones linking a woman’s
finger sensitivity to partnered sex behavior, and
most especially a 2008 doozy that linked a woman’s
gait: fluid, graceful, free of blocked or distorted
pelvic rotation, suggests a greater chance of having
so-called vaginal orgasms. In other words, he said,
you can tell a lot about a woman by the way she
walks.
To examine the hypothesis that a prominent tubercle
of the upper lip is associated specifically with
greater likelihood of experiencing vaginal orgasm (orgasm
elicited by penile-vaginal intercourse [PVI] without
concurrent masturbation), 258 women, predominantly
Scottish, completed an online survey reporting their
frequencies of various sexual activities and
corresponding orgasms, age, and the prominence of
the tubercle of their upper lip.
Social desirability response bias was also assessed.
A prominent and sharply raised lip tubercle was
associated with greater odds (odds ratio = 12.3) of
ever having a vaginal orgasm, and also with greater
past month vaginal orgasm consistency (an effect
driven by the women who never had a vaginal orgasm),
than less prominent lip tubercle categories. Lip
tubercle was not associated with social desirability
responding, or with orgasm triggered by masturbation
during PVI, solitary or partner clitoral or vaginal
masturbation, vibrator, or cunnilingus.
The results are discussed in light of the unique
nature of vaginal orgasm and the possibility of
prenatal developmental influences.
For more information
http://onlinelibrary.wiley.com/doi/10.1111/j.1743-6109.2011.02331.x/abstract
(MDN)
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