They appear most often in the back of the calf or on the inside of the leg from ankle to groin. Vague discomfort and aching in the legs, especially after standing. If the valves leak, blood pressure in the veins prevents blood from draining properly.
Symptoms worsen before and during menstruation.
Family history of varicose veins. Occupations that require prolonged standing. Your own observation of symptoms. Medical history and physical exam by a doctor. For scars, excision of the entire area, followed by skin graft, may be necessary.