Causes
Varicose veins are more common in women than in men, and are linked with heredity. Other related factors are pregnancy, obesity, menopause, aging, prolonged standing, leg injury, abdominal straining, and crossing legs at the knees or ankles. Less commonly, but not exceptionally, varicose veins can be due to other causes, as post phlebitic obstruction and/or incontinence, venous and arteriovenous malformations See also for differential diagnosis- 1. Klippel-Trenaunay syndrome, 2. Parkes-Weber syndrome
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