<prompt> Causes of vulval pain are due to all except:Neuralgia of the genitofernoral nerveHerpesVulval vestibulitis syndromeLichen sclerosus  <response>: Vulval pain syndromeVulvar pain sensation may be burning, stinging or irritation. It may be due to several reasons:Aphthous ulcerVulval dermatosesHerpes genitalisPudendal or genitofemoral nerve neuralgiaVulvodynia burning vulva syndromeVulval vestibulitis syndromeReferred pain from urethral or vaginaPsychological 