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Lichen sclerosus in pregnancy: presentation of two cases.

Numerous skin diseases occurring in the pregnant patient have been reported. Some of these diseases are unique to pregnancy and some, including vulvar varicosities, vulvar edema, postpartum labial adhesions, and hematomas, are a result of physiological changes of pregnancy or the birth process. In addition, a variety of viral and bacterial infectious diseases of the vulva may occur during pregnancy. Vulvar neoplasms may also be found in pregnancy. In two patients, ages 27 and 31, lichen sclerosus first was diagnosed during their initial prenatal visits. Only one of the patients was symptomatic. The symptomatic patient used topical steroids for relief of vulvar itching. Two patients with lichen sclerosus of the vulva in pregnancy are reported, with emphasis on the diagnosis and treatment of this condition.