 Topical clobetasol propionate and mometasone furoate were proven effective in treating genital lichen sclerosus.Some birth defects of the foreskin can occur; all of them are rare.In aposthia there is no foreskin at birth, in micropathia the foreskin doesn't cover the glans, and in macroposthia, also called and congenital megaprepuce, the foreskin extends well past the end of the glans.