The distinct impact of voluntary and autonomic pelvic floor muscles on genito-pelvic pain/penetration disorder
2018
ABSTRACTWhile the debate on diagnostic distinction continues, the DSM-5 combined dyspareunia and vaginismus into the genito-pelvic pain/penetration disorder. Recent research into the pathophysiology of dyspareunia and vaginismus has focused mainly on general pelvic floor pathology, the experience of pain, and cognitive-affective factors, while ignoring female genito-pelvic reflexes. It has not been taken into account that the vaginal canal, with its surrounding musculature, is an active canal capable of genito-pelvic reflexes, and that several of these reflexes might be triggered separately and/or simultaneously during sexual activity. We hypothesize that vaginal reflexive contractions play a substantial role in the pathogenesis of genito-pelvic pain/penetration disorder and postulate the genito-pelvic reflex hypothesis, i.e. in acute dyspareunia, primarily voluntary contractions or inadequate relaxation of the pelvic floor muscles predominate to guard against the pain due to vaginal trauma/infection and/...
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