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Contractions in female orgasm

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Eleven nulliparous women manually self-stimulated to orgasm, each on three separate occasions. Pelvic contraction pressure was measured by an anal probe and a vaginal probe simultaneously. Near the perceived start of orgasm, a series of regular contractions began in nine of the women. Anal and vaginal contraction waveforms were synchronized with each other, and the same number of orgasmic contractions occurred in each lumen. Anal pressure had a higher resting baseline and greater amplitude contractions than vaginal pressure.
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[Vaginal contractions in female orgasm]

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The female orgasm: pelvic contractions

Vaginal contractions are contractions of the pelvic muscles surrounding the vagina , especially the pubococcygeus muscle. Vaginal contractions are generally an involuntary muscular response to sexual stimulation , including sexual arousal , and are commonly most intense during sexual stimulation and culminating in orgasm. Though usually an involuntary response, some women can control the muscles of the vagina to perform vaginal contractions at will. Vaginal contractions enhance the sexual experience and pleasure for both parties during sexual intercourse. In a study, pelvic contractions of 11 women who manually self-stimulated to orgasm were monitored using an anal probe and a vaginal probe simultaneously.
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The female orgasm: Pelvic contractions

Indeed, the female orgasm can be quite elusive. Why does penetrative sex alone so rarely lead to climax for women, and how often are women actually having orgasms? Nothing brings us into the present moment more than a good romp.
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The female orgasm is a series of pleasurable physical sensations and feelings which occurs following, and represents the peak in, sexual stimulation. Orgasm in females is a complex multidimensional phenomenon involving both physical and emotional components. However, not a lot of research has been conducted about the female orgasm and the physical and emotional changes which accompany it are not properly understood.
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