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LS- is short for Lichen sclerosus (aka lichen sclerosis or lichen sclerosis et atrophicus) is a painful skin condition that typically affects the vulva (or penis) and anus. In women, LS falls under the general category of vulvodynia (chronic vulvar pain). It is not a contagious condition.
"Oh yeah, she has got LS"
"She's got what?"
"Lichen Sclerosis"
by Tom725 September 23, 2007
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