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Up to 80% of women experience vasomotor symptoms (VMS) during the menopause transition (MT). Traditional wisdom is that the symptoms resolve after a few years, although at least one study found them to be longer lasting (NEJM JW Womens Health Jun 2011 and Obstet Gynecol 2011; 117:1095). Now, findings from the Study of Women's Health Across the Nation (SWAN), a longitudinal observational study of the MT, confirm that moderate to severe VMS often persist for many years.
Among 1449 participants with frequent VMS (occurring on ≥6 of the preceding 14 days), unadjusted median VMS duration was 7.4 years. In a subset of 881 women with an identifiable final menstrual period (FMP), early onset of symptoms (i.e., during pre- or perimenopause) was assoc…