Background and purpose - Restless Leg Syndrome (RLS) also known as Willis-Ekbom Disease (WED) is a common condition associated with reduced quality of life and other medical conditions, particularly cardiovascular diseases. Despite its common occurrence, it is widely underdiagnosed and undertreated. Therefore, identification of high-risk individuals for RLS/WED bears diagnostic and therapeutic significance. Iron deficiency anemia has a role in the pathophysiology of RLS/WED and both conditions have been reported to occur higher in females. In this study, the frequency of RLS/WED among women diagnosed with iron deficiency anemia was examined as well as laboratory variables that could guide the clinician in the diagnosis of RLS/WED.