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Dermatology, Melasma, Pregnancy
Melasma is an acquired, symmetrical hyperpigmentation of sun-exposed areas of the body, most commonly occurring on the face. Though the pathogenesis of melasma remains unclear, precipitants for the condition include pregnancy, exogenous hormone use, genetic factors, and sun exposure. In this Quick Diagnosis we review the clinical features, epidemiology, diagnosis, pathology, and treatment for this common yet recalcitrant disorder.